ライフサイエンスコーパス: astigmatism

1 nses are deployed to correct the defocus and astigmatism.

2 patients received LASIK for myopia or myopic astigmatism.

3 values ranged from 7% for myopia to 56% for astigmatism.

4 ovement and the redundancy introduced by the astigmatism.

5 of 55 patients with myopia with and without astigmatism.

6 oing LASIK surgery for myopia, hyperopia, or astigmatism.

7 gmatism caused amblyopia than did orthogonal astigmatism.

8 ia or overestimated myopia and overestimated astigmatism.

9 ely and effectively in eyes with and without astigmatism.

10 g perceptual elongation of objects caused by astigmatism.

11 visit because of blurred vision or residual astigmatism.

12 ate to high regular preoperative topographic astigmatism.

13 ributed to minimizing postoperative residual astigmatism.

14 e found in the tHOA, SA, horizontal coma and astigmatism.

15 when comparing surgically induced and target astigmatism.

16 reduction in myopia was more remarkable than astigmatism.

17 LASIK surgery for myopia, hyperopia, and/or astigmatism.

18 but no differences were found for myopia and astigmatism.

19 of ROP and led to less myopization and less astigmatism.

20 sitivity declines with age, high myopia, and astigmatism.

21 kelihood of higher post-operative refractive astigmatism.

22 flatter and have a higher degree of corneal astigmatism.

23 of being independent of both CCT and corneal astigmatism.

24 e had myopia, 41% had hyperopia, and 11% had astigmatism.

25 owed no significant correlation with corneal astigmatism.

26 (p = 0.02) are significantly associated with astigmatism.

27 and no eye had more than 1.0D of refractive astigmatism.

28 corneal astigmatism than eyes without aniso-astigmatism.

29 use of toric IOLs in cataract patients with astigmatism.

30 +2.00 D in both eyes and less than 1.50 D of astigmatism.

31 de during cataract surgery to reduce corneal astigmatism.

32 The visual symptoms are more correlated with astigmatism.

33 with scleral-buckle-induced regular corneal astigmatism.

34 nses (pIOLs) for the treatment of myopia and astigmatism.

35 surgery option for those with high myopia or astigmatism.

36 raLase femtosecond laser in moderate to high astigmatism.

37 uated as surgical complications and residual astigmatism.

38 predict posterior astigmatism from anterior astigmatism.

39 or vision and visual function improvement in astigmatism.

40 er and measuring posterior corneal power and astigmatism.

41 treatment for cataract patients with corneal astigmatism.

42 d Plusoptix, respectively) and overestimated astigmatism (0.36 D and 0.32 D, Spot and Plusoptix, resp

43 ngs (-0.56 to +0.47 diopters), and amount of astigmatism (-0.58 to +0.40 diopters).

44 Mean change in astigmatism 1 year from baseline was 0.75 D; at 2 years

45 nd among the most dominant 5.47% followed by astigmatism 1.9% and hyperopia 1.4% in both sexes.

46 opters (D), hypermetropia greater than +3 D, astigmatism 2 D or more, and/or anisometropia 2 D or mor

47 0.001, ICC = -0.207, LoA = -0.15+/-0.48) and Astigmatism (2,2) (P = 0.003, ICC = -0.965, LoA = 0.2+/-

48 herical aberration (SA), horizontal coma and astigmatism (2,2).

49 an US natives had myopia (18.8% vs 30.7%) or astigmatism (22.0% vs 30.9%).

50 t, and higher prevalence of parental oblique astigmatism (29% vs 5.5%; P < .01) than did Group 2.

51 mean keratometry 60.7 +/- 6.1 D, topographic astigmatism 4.7 +/- 2.6 D.

52 ean CCT was 585 +/- 149 mum and mean corneal astigmatism 5.5 +/- 3.8 diopters.

53 tion were amblyopia (32%), myopia (40%), and astigmatism (52%).

54 the highest rates of high myopia (11.8%) and astigmatism (53.4%).

55 ith post-refractive surgery corneas, and (2) astigmatism accuracy within 0.5 D is achieved in only 80

56 Although the children with oblique astigmatism achieved equal resolution rates after treatm

57 onstrate good outcomes for the correction of astigmatism after penetrating keratoplasty, laser-assist

58 uring the first 1.3 years; anisometropia and astigmatism also increased with age.

59 n has been used to correct myopia and myopic astigmatism, although corneal decompensation can occur a

60 with scleral-buckle-induced regular corneal astigmatism and a patient with keratoconus following par

61 g incision) in patients with regular corneal astigmatism and age-related cataracts.

62 on-Hispanic whites, and the highest rates of astigmatism and anisometropia in Hispanics.

63 TECNIS toric IOLs successfully reduce ocular astigmatism and are a safe and effective treatment for c

64 Bilateral astigmatism and bilateral hyperopia were risk factors fo

65 For eyes with astigmatism and cataracts, both peripheral corneal-relax

66 an inverse correlation between the amount of astigmatism and contrast sensitivity in all spatial freq

67 The prevalence of refractive astigmatism and corneal astigmatism is stable between 6

68 in popularity due to its lower postoperative astigmatism and endothelial loss.

69 red in patients older than 5 years to reduce astigmatism and for aesthetic purposes.

70 ive for correcting low-to-moderate levels of astigmatism and may be the best option for the younger p

71 70% of eyes had 0.50D or less of refractive astigmatism and no eye had more than 1.0D of refractive

72 Worse astigmatism and nonwhite recipient race were associated

73 ns surgery on anterior and posterior corneal astigmatism and total corneal refractive power (TCRP) as

74 nges were determined and correlated with the astigmatism and vision.

75 der HOAs (spherical aberration and secondary astigmatism) and the HOA root mean square (RMS) increase

76 n spherical equivalent (SEQ), anisometropia, astigmatism, and age (corrected for gestation).

77 t refractive errors, specifically hyperopia, astigmatism, and anisometropia, varied by group, with th

78 ficant refractive errors (myopia, hyperopia, astigmatism, and anisometropia; P<0.00001 for each) were

79 distance visual acuity, pachymetry, manifest astigmatism, and endothelial cell density after 1, 3, 6,

80 Subjects with myopia, astigmatism, and hyperopia were significantly more likel

81 shape and in the development of keratoconus, astigmatism, and other refractive errors.

82 -disc ratio, axial length, refractive error, astigmatism, and posterior corneal elevation.

83 e mean spherical equivalent refraction, mean astigmatism, and postoperative CCT were tested.

84 isual acuity improvement, surgically induced astigmatism, and postsurgical complications.

85 EK results in better BCVA, lower astigmatism, and similar long-term ECD compared with PK

86 rations, trefoil, coma, tetrafoil, secondary astigmatism, and spherical aberration were evaluated.

87 es, including mean keratometry, keratometric astigmatism, and spherical equivalent refraction.

88 SNPs linked previously to corneal diseases, astigmatism, and Stevens-Johnson syndrome fall within co

89 epest meridian, the average K, the amount of astigmatism, and the minus astigmatic cylinder axis were

90 er preoperative myopia, greater preoperative astigmatism, and the occurrence of intraoperative suctio

91 Analyses compare myopia, hyperopia, astigmatism, and visual acuity between noncitizens, natu

92 rd deviation in the pre-operative calculated astigmatism angle, as reported by the keratometer, appea

93 tion of the pre-operative calculated corneal astigmatism angle, reported by the keratometer, was > 5

94 </=1.0 D) or emmetropia (hyperopia </=1.0 D; astigmatism, anisometropia, and myopia <1.0 D).

95 tion, lipid deposition, and against-the-rule astigmatism are classic signs.

96 fallacy promulgates another fallacy--that of astigmatism as a source of a constant perceptual error.

97 t 1DS, hyperopia as greater than +3.50DS and astigmatism as greater than 1.50DC, whether it occurred

98 up were within 1 D of postoperative manifest astigmatism as predicted or better.

99 view of the most salient topics on assessing astigmatism as well as a discussion of the latest develo

100 more attention to children with mild oblique astigmatism, as they are more likely to develop oblique

101 axial anisometropia and corneal/axial aniso-astigmatism, associated with hyperopia, but whether thes

102 The mean astigmatism at last visit was 4.04 +/- 2.21 diopters.

103 Not correcting corneal astigmatism at the time of cataract surgery will fail to

104 ric IOLs may correct for preexisting corneal astigmatism at the time of surgery.

105 -fixated pIOL for the treatment of myopia or astigmatism at the University Eye Clinic Maastricht as o

106 ondition observed twice is rapid progressive astigmatism attributable to corneoscleral pigment accumu

107 We adjust fast astigmatism-based three-dimensional single-particle trac

108 eyes) who were treated for myopia or myopic astigmatism between January 2011 and March 2013 at the D

109 In patients with cataract and corneal astigmatism, bilateral toric IOL implantation results in

110 hyperopic refractive error (>/= 3 dioptres), astigmatism, birth weight percentile, gestational age, r

111 ICRS produced a decrease in astigmatism, but on average did not produce a consistent

112 ICRS decreased corneal astigmatism by 27% and corneal coma by 5%, but on averag

113 in the prevalence of anisometropia and aniso-astigmatism by age group, with logistic regression used

114 sm and total corneal refractive power (TCRP) astigmatism (CAant, CApost, CATCRP) measured with Scheim

115 eratoconus or scleral-buckle-induced regular astigmatisms can be equally well corrected with the use

116 sex, race, visual acuity, refractive error, astigmatism, cataract status, glaucoma staging, visual f

117 A smaller degree of initial oblique astigmatism caused amblyopia than did orthogonal astigma

118 ificant differences in contrast sensitivity, astigmatism, coma, or higher-order root mean square erro

119 ly flatter and with higher degree of corneal astigmatism compared to patients without EL (Kmed of 40.

120 corrected distance visual acuity, refractive astigmatism, contrast sensitivity, wavefront aberrations

121 t-corrected visual acuities, power vector of astigmatism, corneal curvature, and lens replacement fre

122 Infants with significant astigmatism (cylinder power >/= 1.00 D in one or both ey

123 ectacle-corrected visual acuity (BSCVA) with astigmatism (cylinder) and spherical equivalent (SE) ove

124 or less; hyperopia, sphere 1.0 D or more; or astigmatism, cylinder 0.75 D or more.

125 ines) and a clinically acceptable refractive astigmatism (defined as less than or equal to 3.0 diopte

126 To compare corneal astigmatism derived from total corneal refractive power

127 subgroup (excluding 1 outlier whose corneal astigmatism doubled after surgery) than in the T4-T6 sub

128 IEW: To outline current options for managing astigmatism during cataract surgery and update readers o

129 Postoperative keratometric astigmatism failed to demonstrate any significant correl

130 an automated Snellen chart and induction of astigmatism for eyes with at least 6 months of follow-up

131 to measure J0 and J45 vectoral components of astigmatism for SimK 2.0 mm and IOLMaster keratometry va

132 not possible to accurately predict posterior astigmatism from anterior astigmatism.

133 who demonstrated central haze and irregular astigmatism from anterior stromal scarring during that p

134 ia (Group 1) and 82 children with orthogonal astigmatism (Group 2) were chosen.

135 a >/= 0.5 diopters [D]; hyperopia >/= 3.0 D; astigmatism >/= 2.0 D or >/= 1.5 D for children older th

136 a </=-3.0 diopters (D), hyperopia >/= 4.5 D, astigmatism >/= 2.0 D, and anisometropia >/= 2.0 D.

137 The prevalence of aniso-astigmatism >/=1 diopters cylinder (DC) did not vary sta

138 A total of 69% had astigmatism >/=1.50 D, mean of 1.97 D (range 0-5.75).

139 of other ocular pathologies or preoperative astigmatism >1.5 diopters (D).

140 Prevalence of astigmatism >1.50 D varied (P=0.01), with the lowest rat

141 KC were >6 times more likely to have corneal astigmatism >2 diopters in their worse eye (odds ratio [

142 ogits; 95% CI, 0.02-0.88), and subjects with astigmatism >2.00 D had significantly less improvement (

143 The prevalence of corneal astigmatism >2.00 D was lower in the 1- to <2-year-old a

144 Eight affected eyes had astigmatism >4 diopters or irregular astigmatism incompa

145 The prevalence of corneal astigmatism (>/= 1 DC) also did not differ significantly

146 The prevalence of refractive astigmatism (>/= 1 DC) did not differ significantly betw

147 Myopia and high astigmatism (>2.5 diopter) were caused by previous scler

148 ver, no IOP measures correlated with corneal astigmatism if sutures in situ or less than 1 year post-

149 Astigmatism imaging approach has been widely used to enc

150 By combining astigmatism imaging with a dual-objective scheme, we imp

151 Using astigmatism imaging, these structures can also be resolv

152 In group 1, mean corneal astigmatism improved from -5.84 +/- 3.80 diopters (D) pr

153 and associations of anisometropia and aniso-astigmatism in a population-based sample of children.

154 al relaxing incisions (PCRIs) for correcting astigmatism in combination with monofocal, multifocal, a

155 fe method for the correction of high corneal astigmatism in complicated cases with different origins.

156 Corneal astigmatism in eyes with childhood glaucoma was signific

157 d third-order vertical coma and fourth-order astigmatism in hyperopic-LASIK/PRK corneas.

158 Irregular corneal astigmatism in keratoconus or scleral-buckle-induced reg

159 The prevalence of myopia, hyperopia, and astigmatism in NHW children was 1.20% (95% confidence in

160 The prevalence of WTR, ATR, and OBL astigmatism in NHW children was 4.33%, 1.00%, and 1.00%,

161 rical aberration and fourth- and sixth-order astigmatism in normal corneas, third-order vertical coma

162 e an effective method for correcting corneal astigmatism in patients with vitreoretinal diseases and

163 reliably detect myopia, but not hyperopia or astigmatism in school-age children.

164 L effectively and safely corrects myopia and astigmatism in the short term, with stable and predictab

165 ractive astigmatism must equal total corneal astigmatism in these patients, accuracy of the corneal a

166 igmatism may therefore decrease the residual astigmatism in toric IOL implantation.

167 The cylinder power of astigmatism (in D) causing amblyopia in Group 1 of 2.48

168 rors, particularly significant hyperopia and astigmatism, in addition to anisometropia and strabismus

169 yes had astigmatism >4 diopters or irregular astigmatism incompatible with autokeratometry.

170 an Kmax by +0.87 D (P < .05), and refractive astigmatism increased (P < .0005).

171 Mean astigmatism increased from 1.43 D in 1-year-olds to near

172 In the severe ROP group, with-the-rule astigmatism increased significantly with age.

173 In addition, off-axis astigmatism increased with eccentricity in all meridians

174 clera in chickens developing high myopia and astigmatism induced by form deprivation.

175 Astigmatism is a common refractive error that affects a

176 Postoperative astigmatism is an important cause of suboptimal UCDVA an

177 alence of refractive astigmatism and corneal astigmatism is stable between 6 and 7 years and 12 and 1

178 Corneal astigmatism J0 was different (p = 0.01) for the second t

179 l relaxing incisions (PCRI) for keratometric astigmatism (KA) between 0.75 and 2.5 diopters (D) durin

180 in eyes with low myopia and compound myopic astigmatism </= 0.75 diopter (D).

181 n most hyperopic meridian of at least 1 eye, astigmatism </=1.5 D, anisometropia </=1.0 D) or emmetro

182 to </=6.0 D in the most hyperopic meridian; astigmatism </=1.50 D; anisometropia </=1.0 D) and emmet

183 Mean preoperative refractive astigmatism magnitude was 1.0 +/- 0.6D (0.3D to 2.3D) ch

184 ommodation (AC/A ratio), horizontal/vertical astigmatism magnitude, and visual activity.

185 <1 D in 22% of cases and underestimated the astigmatism magnitude, on average, by -0.15 +/- 0.34 D.

186 IOLs are currently the two main options for astigmatism management during cataract surgery.

187 ulation, although those with high degrees of astigmatism may benefit from a trial of CS.

188 Measuring total instead of anterior corneal astigmatism may therefore decrease the residual astigmat

189 ee eyes of 15 patients with moderate to high astigmatism (mean cylinder, -3.22 +/- 0.59 dioptres) age

190 showed no significant difference for corneal astigmatism measurements (P = .84).

191 m in these patients, accuracy of the corneal astigmatism measurements was defined as the vectorial di

192 with Cassini, the accuracy of total corneal astigmatism measurements was higher than that of anterio

193 nts was higher than that of anterior corneal astigmatism measurements.

194 Improved assessment of astigmatism, methods to select more accurate lens power,

195 rative myopia more than 6.00 D, preoperative astigmatism more than 3.00 D, and intraoperative suction

196 Under the assumption that refractive astigmatism must equal total corneal astigmatism in thes

197 eria were previous ocular surgeries, corneal astigmatism of >1.5 diopter (D), ocular pathologies, or

198 refractive lens exchange, irregular corneal astigmatism of >1.5 diopter, and ocular pathologies or c

199 ange, -1.17 to +1.2 D), with minimal induced astigmatism of +0.03 D (range, -0.03 to +1.11 D).

200 showed an average post-operative refractive astigmatism of 0.44D +/-0.25D.

201 tion of -1.08 +/- 2.62 diopters (D) and mean astigmatism of 0.52 +/- 0.42 D.

202 Bilateral hyperopia of 3.0 D or more or astigmatism of 1.0 D or more were present in 76% of chil

203 smus, hyperopia of 2.0 diopters (D) or more, astigmatism of 1.0 D or more, or anisometropia of 0.5 D

204 tients with age-related cataract and corneal astigmatism of 1.0 to 3.0 diopters measured with the IOL

205 1 D vs 41.75 +/- 0.28 D, P < .01 and corneal astigmatism of 1.68 +/- 0.16 D vs 1.13 +/- 0.14 D, P = .

206 acuity was 20/40 or better with a refractive astigmatism of 4.5 diopters or less.

207 ith bilateral cataract and bilateral corneal astigmatism of at least 1.25 diopters (D) who were rando

208 this device and the known surgically induced astigmatism of the surgeon.

209 TR and posterior WTR, and decreasing oblique astigmatism on both corneal surfaces by increasing the K

210 However, an analysis of the effects of astigmatism on the retinal image suggests that this "log

211 orrected low vision from VKC-induced corneal astigmatism or keratoconus, only 1 child was visually im

212 nses, the combined treatment of cataract and astigmatism or presbyopia, or both, is possible.

213 refractive error (OR = 4.22; p = 0.002) and astigmatism (OR = 1.68; p = 0.02).

214 confidence interval [CI], 1.04-2.20), as was astigmatism (OR, 1.47; 95% CI, 1.00-2.16), but not myopi

215 .3; 95% confidence interval [CI], 6.5-36.4), astigmatism (OR, 5.7; 95% CI, 2.5-12.7), anisometropia (

216 On average, the defocus term (Z2(0)), astigmatism, or higher-order aberrations did not change

217 The mean ocular residual astigmatism (ORA) was 0.53 +/- 0.5 diopters.

218 The dominant astigmatism orientation of the ACA was ATR in KC patient

219 36 patients (21-53 years) with primary mixed astigmatism over 3.0 diopters (D) were included.

220 (P < .0005), coma (P < .0005), and secondary astigmatism (P < .005) lessened.

221 evalence was lower with older age groups for astigmatism (P = 0.0002), but not for myopia (P = 0.82)

222 re were no differences in levels of residual astigmatism (P = 0.798) or in higher order aberrations (

223 Greater magnitude of astigmatism (P<0.0001) and bilateral hyperopia (P<0.0001

224 on of the electrolyte was studied in situ by astigmatism particle tracking velocimetry (APTV).

225 We found little change in astigmatism postoperatively (mean change, -0.1 [95% CI,

226 Initial higher astigmatism power was found to be associated with increa

227 astigmatism was greatest in infants, and WTR astigmatism predominated at all ages.

228 traocular lens for the treatment of post PKP astigmatism, presented for the treatment of graft endoth

229 -corrected visual acuity (BSCVA), refractive astigmatism (RA), and topographic astigmatism (TA), cent

230 -related senile cataract and regular corneal astigmatism ranging from 1.50 to 3.00 diopters, enrolled

231 , as they are more likely to develop oblique astigmatism-related amblyopia.

232 Seventy-two children with oblique astigmatism-related refractive amblyopia (Group 1) and 8

233 s with uncorrected hyperopia and uncorrected astigmatism reported more near vision difficulty than th

234 r, Pentacam total, and Cassini total corneal astigmatism, respectively.

235 ative manifest sphere, spherical equivalent, astigmatism, safety indices nor ocular aberrations.

236 There was no significant change in astigmatism secondary to the surgery.

237 Careful assessment and surgical planning of astigmatism should not be an option, but essential compo

238 The mean-K, max-K, UCVA, and astigmatism showed no change over time during these 5 ye

239 The surgically induced astigmatism (SIA), changes in corneal aberrations and in

240 hod was used to calculate surgically induced astigmatism (SIA).

241 Several subjects showed changes in astigmatism, spherical aberration, trefoil, and coma wit

242 Greater degrees of myopic shift and astigmatism, steeper corneal curvatures, shallower anter

243 s in childhood, including amblyopia, myopia, astigmatism, strabismus, limited ocular motility, promin

244 refractive astigmatism (RA), and topographic astigmatism (TA), central corneal thickness (CCT) and en

245 more asymmetric in axial length and corneal astigmatism than eyes without aniso-astigmatism.

246 independence, and lower amounts of residual astigmatism than non-toric IOLs even when relaxing incis

247 gnificantly better long-term BSCVA and lower astigmatism than PK over 5 years of follow-up.

248 nt is evidently clearer in the estimation of astigmatism than spherical curvature.

249 ratometry to 44.4 +/- 2.2 D, and topographic astigmatism to 2.9 +/- 1.3 D.

250 Myopia and astigmatism, two common refractive errors frequently co-

251 The astigmatism type was defined as with-the-rule (WTR; +cyl

252 N: Two patients with myopia and high corneal astigmatism underwent cataract operation with toric IOL

253 Both spherical myopia and astigmatism underwent reduction, but the reduction in my

254 LASIK for primary high mixed astigmatism using optimized aspherical profiles and a fa

255 The astigmatism vectors along the 45-degree (J45) and 0-dreg

256 mographics, location of disease, topographic astigmatism, visual acuity, coexisting ocular disease, a

257 lassified as moderate astigmatism while high astigmatism was >/=3.00 D.

258 Mean refractive astigmatism was -0.77 (0.52) D and -1.89 D (1.00) D, res

259 The absolute residual refractive astigmatism was 1.0 and 0.75 Diopters, respectively.

260 Postoperative manifest refraction astigmatism was 1.58 +/- 1.25 D overall, but lower (0.75

261 Preoperatively, mean (SD) corneal astigmatism was 2.02 (0.95) D and 2.00 (0.84) D in the t

262 Astigmatism was 2.03 +/- 1.11 mum preoperatively and 1.6

263 en, the prevalence of myopia, hyperopia, and astigmatism was 3.98% (95% CI, 3.11%-5.09%), 13.47% (95%

264 Mean topographic astigmatism was 4.02 diopters (D) at 5 degrees.

265 Preoperative topographic astigmatism was 4.57 +/- 2.05 diopters (D).

266 The prevalence of WTR, ATR, and OBL astigmatism was 6.50%, 0.80%, and 1.00% respectively.

267 Astigmatism was defined as a cylinder value of +1.0 D or

268 The median refractive astigmatism was found to be -0.5 diopter cylinder.

269 lysis results of GEE model, greater power of astigmatism was found to be associated with increased ch

270 The prevalence of astigmatism was greatest in infants, and WTR astigmatism

271 Astigmatism was lower 1 year after EK vs PK (-1.69 vs -3

272 Residual astigmatism was lower in the toric IOL group than in the

273 Refractive astigmatism was measured with the ARK-530A autorefractor

274 ly, if the total instead of anterior corneal astigmatism was measured.

275 In 4 cases, amblyogenic astigmatism was present and decreased from 1.25 +/- 0.5

276 Refractive astigmatism was significantly lower in the study group (

277 mpairment (95%, 95% CI = 76.2, 98.8); myopic astigmatism was the commonest type of refractive error (

278 Corneal astigmatism was with-the-rule (WTR) in 91.4% of astigmat

279 ting visual acuity (n = 7), while refractive astigmatism was within 4 diopter (D) in all but 1 eye (a

280 The overall rates of high myopia and astigmatism were 4.6% and 45.0%, respectively, with Chin

281 of spherical myopia and less than 3.00 D of astigmatism were enrolled consecutively.

282 eratometry as well as simulated keratometric astigmatism were higher (P < .0001, P = .0002, P = .0005

283 Anterior and total corneal astigmatism were measured with the Pentacam HR (Oculus,

284 Anisometropia and aniso-astigmatism were more common in 12- to 13-year-old child

285 Myopia and astigmatism were most prevalent in the Chinese populatio

286 Postoperative visual acuity and astigmatism were noted.

287 J0 and J45 vectoral components of astigmatism were obtained using power vector analysis.

288 ariate analysis, myopic refractive error and astigmatism were significantly associated with laser the

289 Mean manifest and topographic postoperative astigmatism were: 3.6 +/- 2.5 diopters (D) and 4.65 +/-

290 ients between anterior and posterior corneal astigmatisms were associated with Blur, being 0.93 for K

291 d 0.75D or more of post-operative refractive astigmatism when the standard deviation of the pre-opera

292 a high prevalence of refractive and corneal astigmatism which is associated with ametropia.

293 in posterior corneal elevation and irregular astigmatism, which contribute to visual disability in su

294 .5 and </=2.75 D were classified as moderate astigmatism while high astigmatism was >/=3.00 D.

295 Achieving minimal induced astigmatism with excellent visual acuity remains a chall

296 d to compare odds of anisometropia and aniso-astigmatism with refractive status (myopia, emmetropia,

297 retain correspondence of the anterior cornea astigmatism with the toric IOL astigmatic power.

298 the vectorial difference with the refractive astigmatism, with lower vector differences denoting high

299 Greco might have experienced as a result of astigmatism would have caused not only his subjects to b

300 )), vertical trefoil (Z3(-3)), and secondary astigmatism (Z4(4)).