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1 rameters (P < .001) except CCT and posterior keratometry.
2 r controlling for the effect of preoperative keratometry.
3 using either estimated or measured posterior keratometry.
4 erences between groups for age, sex, or mean keratometry.
5 onfiguration in TK-derived than in K-derived keratometry.
6 ers was higher than measurements by Pentacam keratometry.
7 -corrected visual acuity (BCVA), and average keratometry.
8 rnea, central corneal thickness, and maximum keratometry.
9 significantly influenced postoperative mean keratometry.
10 provement in CDVA and long-term stability of keratometry.
11 R (95% CI) 0.9 (0.90-0.91), maximum anterior keratometry 1.08 (1.07-1.09), and minimum corneal thickn
12 mum corneal thickness (12.1 months), maximum keratometry (12.3 months), corneal astigmatism (14.8 mon
13 l corneal thickness (16.6 months), back mean keratometry (18.4 months), and front mean keratometry (2
15 atism (TCA; 1.11 +/- 0.87 D), mean posterior keratometry (-5.87 +/- 0.26 D), posterior corneal astigm
16 tigmatism (TCA; 1.11 0.87 D), mean posterior keratometry (-5.87 0.26 D), posterior corneal astigmatis
17 gMAR), MRSE -11.1 +/- 5.6 diopters (D), mean keratometry 60.7 +/- 6.1 D, topographic astigmatism 4.7
18 iso- and anisomyopes (N = 56), from measured keratometry, A-scan ultrasonography, and central and per
19 he effects of deprivation were assessed with keratometry, A-scan ultrasonography, and cycloplegic ref
20 , corneal diameter, tear-film break-up time, keratometry, A-scan, and pachymetry on all participants.
21 reoperative and postoperative visual acuity, keratometry, aberrometry, and refraction were the main o
22 visual acuity (BCDVA), manifest refraction, keratometry, adverse events, spectacle use, and photogra
23 act tonometry), manifest refraction, average keratometry, age, gender, and postoperative IOP at 1 wee
24 nt sex, donor age, triple-DMEK, and anterior keratometry also did not predict final BCVA in the liter
27 ost attention to patient selection, accurate keratometry and biometry readings, as well as to the app
28 ention to proper patient selection, accurate keratometry and biometry, and appropriate intraocular le
31 ery 2 to 3 weeks by cycloplegic retinoscopy, keratometry and corneal videotopography, and A-scan ultr
34 ulation requiring both prerefractive surgery keratometry and manifest refraction (i.e., clinical hist
35 methods requiring both prerefractive surgery keratometry and manifest refraction are no longer consid
36 ly significant improvements were observed in keratometry and pachymetry (p = 0.003 and p < 0.001).
38 To assess the repeatability and agreement of keratometry and pachymetry measurements obtained using 3
41 K was performed in order to minimally affect keratometry and retain correspondence of the anterior co
42 those reported in the literature for manual keratometry and somewhat better than has been reported f
43 However, there was poor agreement in flat keratometry and steep keratometry obtained by Orbscan II
44 al thickness were measured using telecentric keratometry and swept-source optical coherence tomograph
46 d distance visual acuity (UDVA), refraction, keratometry and topography were recorded at 1st week and
48 ction of soft contact lens fit compared with keratometry and videokeratoscopy, accounting for up to 2
56 spherical equivalent, anterior and posterior keratometry, and corneal pachymetry at the apex & thinne
57 attest, steepest, average, cylindrical, apex keratometry, and inferior-superior value decreased signi
58 est simulated keratometry, average simulated keratometry, and inferior-superior value significantly d
60 preoperative spherical equivalent (SE), mean keratometry, and percentage of tissue altered (PTA).
62 rected and distance-corrected visual acuity, keratometry, and Scheimpflug and ocular wavefront (WASCA
63 was to determine associations of pachymetry, keratometry, and their changes with haze formation and c
67 ccording to 768 biometric subgroups based on keratometry, anterior chamber depth, and axial length.
68 mean values of maximum, average, and minimum keratometry as well as simulated keratometric astigmatis
69 astigmatism was calculated based on standard keratometry astigmatism (KA), total corneal astigmatism
73 corneal thicknesses; anterior and posterior keratometry (average, steep, flat); axial curvatures; as
75 errors, best corrected visual acuity (BCVA), keratometry, axial length (AL) and anterior chamber dept
76 growth and factors of age, sex, laterality, keratometry, axial length, intraocular lens power, and f
77 antly lower in the Barrett True-K with total keratometry (Barrett True-TK) than in the Haigis-L formu
78 tential postoperative visual acuity > 0.5, a keratometry between 40-45 diopters, a pupil >2.8 mm unde
80 ing method, with that derived from simulated keratometry (CASimK), an anterior surface-based method,
82 ted (CDVA) distance visual acuity in logMAR, keratometry, central corneal thickness (CCT) and higher-
83 rvational procedure: Steep keratometry, flat keratometry, central corneal thickness (CCT), and thinne
84 luding anterior and posterior flat and steep keratometry, central corneal thickness (CCT), thinnest c
86 under TKC-4 exhibited greater improvement in keratometry compared to those with TKC-2 and TKC-3 stagi
87 (SD +/-5.0) using videokeratoscopy (central keratometry, corneal height, and shape factor) and OCT t
88 icipants underwent axial length measurement, keratometry, corneal pachymetry, and candidate gene anal
91 creased (P < .05), unlike flattest simulated keratometry, cylindrical simulated keratometry, and apex
92 l densitometry values and various changes in keratometry data implying ectasia can be observed in pat
97 with the axial length, the PMF severity and keratometry established in this study suggest that PM ey
99 c parameters: white-to-white (WTW) distance, keratometry (flat (K1) and steep (K2), mean (Km)) of ant
103 ngle-site study investigating the use of the keratometry from the Lenstar LS 900(R) for toric IOL sur
105 re were no significant differences between 2 keratometry groups (higher or lower than 53 D) in visual
106 tive keratoconus eyes with preoperative mean keratometry >=60 diopters (D) that received either PK (2
109 UDVA, BDVA, sphere, cylinder, and simulated keratometry improved after treatment in both groups (P <
114 ction, and corneal curvature measures: steep keratometry (K(2)), mean keratometry (K(mean)), or maxim
115 ur primary outcome was the change in maximal keratometry (K(max)) at 12 months after cross-linking, a
116 cluded inferior-superior (IS) value, maximum keratometry (K(max)), thinnest corneal thickness, asymme
117 (2)), mean keratometry (K(mean)), or maximum keratometry (K(max)), thinnest pachymetry, corneal trans
119 ure measures: steep keratometry (K(2)), mean keratometry (K(mean)), or maximum keratometry (K(max)),
121 quantify the disparities between traditional keratometry (K) and TK values in normal eyes and assess
122 estigated the impact of the AP ratio, AL and keratometry (K) on the absolute prediction error (APE) i
123 l length (AL), anterior chamber depth (ACD), keratometry (K) over a 2.5 mm and 3.0 mm diameter, lens
124 (UNVA), corrected near visual acuity (CNVA), keratometry (K), and manifest refraction spherical equiv
125 ge over 1 year of topography-derived maximum keratometry (K), comparing treatment with control groups
126 , cycloplegic refraction, axial length (AL), keratometry (K), intraocular pressure (IOP), cup-to-disc
130 ere significant differences in anterior flat keratometry (K1) (control 43.93+/-1.17 vs. case 42.75+/-
131 ences were found for axial length (AL), flat keratometry (K1), K1 and K2 meridians, or intraocular le
132 ductions in maximum keratometry (Kmax), flat keratometry (K1), steep keratometry (K2) (p < 0.05), and
134 participants underwent measurements of flat keratometry (K1), steep keratometry (K2), maximum kerato
135 tometry (Kmax), flat keratometry (K1), steep keratometry (K2) (p < 0.05), and astigmatic aberration c
137 er depth (ACD), mean keratometry (KM), steep keratometry (K2), and white-to-white distance (WTW) (p <
139 measurements of flat keratometry (K1), steep keratometry (K2), maximum keratometry (Kmax), central co
140 SCVA), spherical equivalent refraction, mean keratometry, keratometric astigmatism, and complications
141 edicting refractive outcomes, including mean keratometry, keratometric astigmatism, and spherical equ
145 coma, total HOA, coma-like aberrations, mean keratometry (KM), and central corneal thickness (CCT).
146 ty (UCNVA), manifest refraction, KA and mean keratometry (KM), corneal aberrometry, tIOL rotation, an
147 served in anterior chamber depth (ACD), mean keratometry (KM), steep keratometry (K2), and white-to-w
150 ographic keratometry (SimK) and mean maximum keratometry (Kmax) reduced by -0.74 D (P < .0001) and -0
152 t spectacle-corrected visual acuity, maximal keratometry (Kmax), and thinnest corneal thickness.
153 ometry (K1), steep keratometry (K2), maximum keratometry (Kmax), central corneal thickness (CCT), thi
154 up 1 exhibited greater reductions in maximum keratometry (Kmax), flat keratometry (K1), steep keratom
155 flat keratometry, steep keratometry, maximum keratometry (Kmax), mean keratometry, thinnest corneal t
158 within 12 months: 1 dioptre (D) increase in keratometry (Kmax, K1, K2); or 10% decrease of corneal t
159 ppearance, topography-derived steep and flat keratometry (Kmax, Kmin), central corneal thickness (CCT
160 d 2 subgroups (group 1: preoperative maximum keratometry [Kmax] <69 diopters [D; n = 7); group 2: pre
161 lt to predict astigmatism and its axis, mean keratometry (Kmean), and Belin/Ambrosio enhanced ectasia
163 lent (SE), cylinder, flat keratometry, steep keratometry, maximum keratometry (Kmax), mean keratometr
167 Tear film-stabilizing eye drops prior to keratometry measurements influenced K-readings significa
168 g pre-surgical examinations and biometry and keratometry measurements performed with the Pentacam AXL
170 luded cycloplegic refraction by retinoscopy, keratometry measurements, and A-scan ultrasound measurem
174 am).The following parameters were evaluated: keratometry, minimum corneal thickness, pachymetry progr
176 neal astigmatism (n = 55 [19.9%]), back mean keratometry (n = 50 [18.1%]), and front mean keratometry
177 corneal thickness (n = 111 [40.1%]), maximum keratometry (n = 76 [27.4%]), corneal astigmatism (n = 5
178 poor agreement in flat keratometry and steep keratometry obtained by Orbscan II compared with those o
179 ere; P = 0.02) on objective refraction, mean keratometry of the steep meridian (45.19 D vs. 43.76 D;
180 ere; P = 0.02) on objective refraction, mean keratometry of the steep meridian (45.19 D vs. 43.76 D;
183 was no significant difference in mean steep keratometry or mean flat keratometry between instrument
186 1), axial length (OR:35; p < 0.001) and mean keratometry (OR:0.62; p < 0.001) were significantly inve
190 ssociated with younger age (P < .001), lower keratometry (P = .01), and male gender (P = .027); great
191 spherical equivalent and maximum and minimum keratometry (P = .03, P = .02, P = .04, respectively).
192 erical equivalent refraction (P = .27), mean keratometry (P = .09), and keratometric astigmatism (P =
193 ffected by any factor such as age (P = .31), keratometry (P = .32), and axial length (P = .27) of the
195 minimal pachymetry measurement of 400 mum in keratometry (Pentacam, Oculus GmbH, Wetzlar, Germany).
200 icantly correlated with preoperative maximum keratometry (R = 0.303, p = 0.038) and with the changes
201 keratometry (r=-0.562, p < 0.001) and steep keratometry (r=-0.538, p < 0.001), and strongly positive
202 trongly negatively correlated with both flat keratometry (r=-0.562, p < 0.001) and steep keratometry
203 cted visual acuity (BCVA) and normal maximum keratometry reading (Kmax) were measured at study entry
204 flug imaging from which we extracted maximum keratometry reading (max-K), average of minimum and maxi
205 SH levels significantly affected the maximal keratometry reading (p = .036), the vertical keratometry
206 keratometry reading (p = .036), the vertical keratometry reading (p = .04), and the index of height a
208 correlations were identified between COD and keratometry readings (K(m) and K(max)) across all zones
209 ected distance visual acuity (CDVA), maximum keratometry readings (K(max)), minimum radius of curvatu
211 ding (max-K), average of minimum and maximum keratometry readings (mean-K), central corneal thickness
214 difference in the comparison of AL, ACD and keratometry readings between the Lenstar and IOLMaster.
216 e WTW distance, measurements for AL, ACD and keratometry readings may be used interchangeability with
218 pre-operative anterior chamber depth and the keratometry readings of the corneal power; hence mitigat
219 m-ring measurements provided by Pentacam HR, keratometry readings provided by IOLMaster 700, and cent
222 , and at last follow-up, both steep and flat keratometry readings were significantly flatter in the t
223 actual post-operation data (Correlations for keratometry readings with R2 above 0.95, for corneal tor
225 neas of both probands were abnormally steep (keratometry readings, flat >/= 47.4 diopters [D] and ste
226 To assess and the level of agreement of Keratometry-readings (K), Central Corneal Thickness (CCT
227 es were UCVA, BCVA, steep and flat simulated keratometry, refraction, graft clarity, and complication
232 S), MTI Photoscreening (MTIPS), Nidek KM-500 Keratometry Screening (KERS), and Retinomax K-Plus Noncy
233 Average keratometry (AveK) and simulated keratometry (SimK) along 2.0-mm-ring measurements provid
234 D) (P < .005) and mean simulated topographic keratometry (SimK) and mean maximum keratometry (Kmax) r
236 ), spherical equivalent (SE), cylinder, flat keratometry, steep keratometry, maximum keratometry (Kma
237 uity (CDVA), spherical equivalent (SE), flat keratometry, steep keratometry, thinnest pachymetry, spe
238 corneal curvature (average K from simulated keratometry) steepened (more negative dioptric power) by
239 eratometry, maximum keratometry (Kmax), mean keratometry, thinnest corneal thickness, and higher orde
242 cal equivalent (SE), flat keratometry, steep keratometry, thinnest pachymetry, specular microscopy, a
243 study aimed to explore the concept of total keratometry (TK) by analyzing extensive international da
245 /- 0.1 logMAR), MRSE to -2.6 +/- 3.5 D, mean keratometry to 44.4 +/- 2.2 D, and topographic astigmati
246 ve error, visual acuity, corneal topographic keratometry, ultrasonic pachymetry, and topography-deriv
247 al acuity, contrast sensitivity, straylight, keratometry, ultrasonic pachymetry, intraocular pressure
249 sm, mean keratometry value (K-mean), highest keratometry value (K-max), thinnest point, anterior segm
251 in the analysis, namely the flattest central keratometry value (K1), the steepest central keratometry
252 keratometry value (K1), the steepest central keratometry value (K2), the maximum keratometry value (K
253 central keratometry value (K2), the maximum keratometry value (Kmax), and the parameters A, B and C
256 In the CXL treatment group, the maximum keratometry value decreased by 1.6 diopters (D) from bas
258 +/- 2.8 D at the last visit, and the minimum keratometry value decreased from 44.3 +/- 4.7 D to 41.5
260 ent change in the topography-derived maximum keratometry value from baseline to 6 months with 2-minut
261 l point (r(2) = 0.871, P = .001) and maximum keratometry value identified in the tangential curvature
262 nking was effective in improving the maximum keratometry value, CDVA, and UCVA in eyes with progressi
263 ge over 1 year of topography-derived maximum keratometry value, comparing treatment with control grou
264 ion, spherical equivalent, minimum simulated keratometry value, corneal thickness at the thinnest poi
265 produced equivalent reduction in the maximum keratometry value, with a favorable safety profile.
267 ared to the control group, including steeper keratometry values (K2: 46.62 Dioptre, K1: 45.24 Dioptre
268 orrected visual acuity (0.1 logMar), steeper keratometry values (K2: 47.95 Dioptre, K1: 45.83 Dioptre
273 atometry values were similar while mean flat keratometry values were significantly different between
275 AL, the IOLMaster measured the highest mean keratometry values, and the ANTERION measured the highes
276 of astigmatism for SimK 2.0 mm and IOLMaster keratometry values, as well as ACD and CCT measurements.
289 ower (TCRP) and anterior/posterior simulated keratometry were obtained using Scheimpflug imaging preo
290 mp examination, indirect ophthalmoscopy, and keratometry were performed in a cross-sectional study of
291 justed normative values for axial length and keratometry were studied for variation in myopic shift a
292 bles, except for the anterior flat and steep keratometry, which were found to range from - 0.57 to 0.
293 ty and specificity associated with automated keratometry while maintaining an acuity component that c