Comparison of keratoconus and suspected keratoconus patients between a topographic index and pentacam tomographic indexes
نویسندگان
چکیده
منابع مشابه
Topographic and tomographic properties of forme fruste keratoconus corneas.
PURPOSE To investigate the efficacy of topography and tomography indices combined in discriminant functions to detect mild ectatic corneas. METHODS The authors retrospectively reviewed the data of 143 eyes separated into three groups by the Corneal Navigator OPD scanning system (Nidek, Gamagori, Japan): normal (N; LASIK surgery with a 2-year follow-up; n = 72), forme fruste keratoconus (N top...
متن کاملInteraction between topographic/tomographic parameters and dry eye disease in keratoconus patients.
PURPOSE To determine the interaction between corneal topographic and tomographic parameters and dry eye syndrome (DES) in keratoconus (KC) patients. METHODS Seventy-seven eyes of 49 patients with KC (age 34.4 ± 11.6 years) were enrolled in this study. In these 77 eyes we recorded surface regularity index (SRI), surface asymmetry index (SAI) and Klyce/Maeda KC index (KCI) using the Topographic...
متن کاملBiomechanical Characterization of Subclinical Keratoconus Without Topographic or Tomographic Abnormalities.
PURPOSE To present a case series of patients with subclinical keratoconus with normal topometric (anterior curvature) and tomographic findings in one eye who showed abnormalities detected by Corvis ST (Oculus Optikgeräte GmbH, Wetzlar, Germany) in vivo biomechanical assessment. METHODS All patients had a complete ophthalmic examination, including the Corvis ST biomechanical measurements, opti...
متن کاملPrevalence of Keratoconus and Subclinical Keratoconus in Subjects with Astigmatism Using Pentacam Derived Parameters
PURPOSE To determine the prevalence of keratoconus (KCN) and subclinical KCN among subjects with two or more diopters (D) of astigmatism, and to compare Pentacam parameters among these subjects. METHODS One hundred and twenty eight eyes of 64 subjects with astigmatism ≥2D were included in the study. All subjects underwent a complete ophthalmic examination which included refraction, visual acu...
متن کاملTopographic Interpretation of Posterior Keratoconus
.................................. We present a case of a sixty years old Asian male who presented to us with gradual decrease in vision of both eyes. Slit lamp examination revealed paracentral thinning with a dome-shaped excavation in the posterior corneal surface in each eye. Other than the early lens changes, rest of the ocular examination was normal. A diagnosis of bilateral Posterior Kerat...
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ژورنال
عنوان ژورنال: eOftalmo
سال: 2019
ISSN: 2526-9798
DOI: 10.17545/eoftalmo/2019.0008