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ophthalmology (315) 315
videokeratography (305) 305
index medicus (293) 293
humans (286) 286
corneal topography (216) 216
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male (179) 179
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keratoconus (133) 133
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keratoconus - diagnosis (73) 73
prospective studies (72) 72
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reproducibility of results (63) 63
photorefractive keratectomy (61) 61
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in-situ keratomileusis (52) 52
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keratometry (44) 44
refraction, ocular - physiology (44) 44
astigmatism (42) 42
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cornea - anatomy & histology (39) 39
myopia - surgery (38) 38
cornea - physiopathology (37) 37
refraction, ocular (36) 36
cataract-surgery (34) 34
computerized videokeratography (34) 34
cornea - surgery (34) 34
astigmatism - etiology (32) 32
irregular astigmatism (32) 32
penetrating keratoplasty (32) 32
pentacam (32) 32
sensitivity and specificity (32) 32
keratoconus - pathology (31) 31
refractive surgery (31) 31
visual acuity - physiology (31) 31
follow-up studies (30) 30
keratoconus - physiopathology (30) 30
fourier-analysis (28) 28
myopia (28) 28
child (27) 27
astigmatism - physiopathology (26) 26
lenses, intraocular (26) 26
videokeratography data (26) 26
astigmatism - diagnosis (25) 25
radial keratotomy (25) 25
repeatability (25) 25
classification (24) 24
lasers, excimer (24) 24
orbscan-ii (24) 24
keratoconus - surgery (23) 23
keratomileusis, laser in situ (23) 23
roc curve (23) 23
algorithms (22) 22
analysis (22) 22
contact lenses (22) 22
fourier analysis (22) 22
lasik (22) 22
unilateral keratoconus (22) 22
corneal topography - instrumentation (21) 21
eye (21) 21
aberrations (20) 20
cornea - physiology (20) 20
cross-sectional studies (20) 20
detecting keratoconus (20) 20
image processing, computer-assisted (20) 20
curvature (19) 19
optics and photonics (19) 19
myopia - physiopathology (17) 17
anterior (16) 16
diagnosis (16) 16
higher-order aberrations (16) 16
subclinical keratoconus (16) 16
system (16) 16
cataract extraction (15) 15
pachymetry (15) 15
refractive errors - diagnosis (15) 15
reproducibility (15) 15
zernike polynomials (15) 15
biometry (14) 14
ectasia (14) 14
iatrogenic keratectasia (14) 14
models, theoretical (14) 14
thickness (14) 14
tomography (14) 14
treatment outcome (14) 14
corneal pachymetry (13) 13
forme-fruste keratoconus (13) 13
keratoconus - genetics (13) 13
normal eyes (13) 13
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Medical Journal Armed Forces India, ISSN 0377-1237, 2018
Background: Association of keratoconus with vernal keratoconjunctivitis is well known, but there are few topographic studies describing actual prevalence... 
Videokeratography | Keratoconus | Vernal keratoconjunctivitis
Journal Article
American Journal of Ophthalmology, ISSN 0002-9394, 01/2019, Volume 197, pp. 7 - 16
To test the accuracy of the Tomographic and Biomechanical Index (TBI) for ectasia detection in an independent population from the original study. Retrospective... 
FORME-FRUSTE KERATOCONUS | SUBCLINICAL KERATOCONUS | OPHTHALMOLOGY | RISK | IN-SITU-KERATOMILEUSIS | VIDEOKERATOGRAPHY | LASIK | FELLOW EYES | Biomechanics | Tomography | Disease susceptibility | Analysis | Studies | Patients | Variance analysis | Topography
Journal Article
JOURNAL OF CATARACT AND REFRACTIVE SURGERY, ISSN 0886-3350, 11/2003, Volume 29, Issue 11, pp. 2063 - 2068
Purpose: To determine the accuracy of a method of calculating intraocular lens (IOL) power after corneal refractive surgery. Setting. Department of... 
SURGERY | IN-SITU KERATOMILEUSIS | PREDICTABILITY | MYOPIA | KERATOTOMY | OPHTHALMOLOGY | PHOTOREFRACTIVE KERATECTOMY | VIDEOKERATOGRAPHY | FORMULA | CATARACT-SURGERY | ACCURACY
Journal Article
Optometry and Vision Science, ISSN 1040-5488, 07/2018, Volume 95, Issue 7, pp. 608 - 615
SIGNIFICANCEBefore the appearance of evident keratoconus, corneal biomechanical changes may be detectable. Here, these properties are analyzed to detect any... 
TOMOGRAPHY | REPEATABILITY | OPHTHALMOLOGY | HEALTHY | SYMMETRY POINT | VIDEOKERATOGRAPHY | PENTACAM | OCULAR RESPONSE ANALYZER | Cornea | Usage | Keratoconus | Physiological aspects | Tonometry | Diagnosis | Health aspects
Journal Article
Investigative Ophthalmology and Visual Science, ISSN 0146-0404, 11/2010, Volume 51, Issue 11, pp. 5546 - 5555
Journal Article
Ophthalmology, ISSN 0161-6420, 2015, Volume 122, Issue 5, pp. 897 - 902
Purpose To compare final spherical equivalent (SE) refractions in patients who previously underwent radial keratotomy (RK) undergoing routine cataract surgery... 
Ophthalmology | CORNEAL REFRACTIVE SURGERY | VISUAL-ACUITY | EYES | CURVATURE | OPHTHALMOLOGY | TOPOGRAPHY | VIDEOKERATOGRAPHY | ADJUSTMENT | CATARACT-SURGERY | EQUIVALENT KERATOMETRY READINGS | ACCURACY | Eye | Analysis | Surgery
Journal Article
JOURNAL OF REFRACTIVE SURGERY, ISSN 1081-597X, 05/2008, Volume 24, Issue 5, pp. 461 - 462
Journal Article
Investigative Ophthalmology and Visual Science, ISSN 0146-0404, 05/2012, Volume 53, Issue 6, pp. 2978 - 2992
PURPOSE. To investigate the application of anterior corneal and ocular aberrations in detecting mildly ectatic corneas. METHODS. This study retrospectively... 
SYSTEM | ECTASIA | ANTERIOR | SUBCLINICAL KERATOCONUS | UNILATERAL KERATOCONUS | SURFACE | OPHTHALMOLOGY | TOPOGRAPHY | NORMAL EYES | VIDEOKERATOGRAPHY | LASIK | Corneal Topography - methods | Keratoconus - diagnosis | Humans | Corneal Wavefront Aberration - diagnosis | Adult | ROC Curve | Aberrometry - methods | Retrospective Studies | Discriminant Analysis | Index Medicus
Journal Article
Journal of Cataract & Refractive Surgery, ISSN 0886-3350, 2003, Volume 29, Issue 8, pp. 1514 - 1521
Purpose: (1) To investigate the distribution of anterior corneal higher-order aberrations (HOAs, 3rd to 6th orders) in the population; (2) to evaluate the... 
SURGERY | POPULATION | HUMAN EYE | OPHTHALMOLOGY | TOPOGRAPHY | VIDEOKERATOGRAPHY | AGE | Aging - physiology | Humans | Middle Aged | Refractive Errors - physiopathology | Adult | Female | Male | Aged | Cornea - physiopathology | Corneal Topography | Index Medicus
Journal Article
Journal of Refractive Surgery, ISSN 1081-597X, 06/2006, Volume 22, Issue 6, pp. 539 - 545
PURPOSE: To use the anterior corneal surface higher order aberrations as a tool to detect and grade keratoconus using corneal map analysis videokeratoscopy.... 
SURGERY | OPHTHALMOLOGY | TOPOGRAPHY | VIDEOKERATOGRAPHY | Severity of Illness Index | Refraction, Ocular | Reproducibility of Results | Corneal Topography - methods | Humans | Male | Visual Acuity | Keratoconus - complications | Astigmatism - etiology | Astigmatism - pathology | Adult | Female | Cornea - pathology | Keratoconus - pathology
Journal Article
Investigative Ophthalmology and Visual Science, ISSN 0146-0404, 02/2012, Volume 53, Issue 2, pp. 927 - 935
Journal Article
Optometry and Vision Science, ISSN 1040-5488, 12/2018, Volume 95, Issue 12, pp. 1142 - 1148
SIGNIFICANCEThis is a prospective observational investigation that studies the repeatability of several outcomes obtained with the Keratron Scout in healthy... 
SCHEIMPFLUG CAMERA | KERATOMETRY | CLINICAL-EVALUATION | PERFORMANCE | OPHTHALMOLOGY | POWER MEASUREMENTS | RELIABILITY | VIDEOKERATOGRAPHY | ABERRATIONS | DIFFERENT CORNEAL TOPOGRAPHERS | PENTACAM | Evaluation | Cornea | Medical examination | Keratoconus | Physiological aspects | Development and progression | Eye, Instruments and apparatus for
Journal Article
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