Results 61 to 70 of about 11,140 (175)

EFFECT ON CORNEAL DIOPTRIC POWER IN PATIENTS UNDERGOING 23G SUTURE LESS PARS PLANA VITRECTOMY

Pakistan Armed Forces Medical Journal, 2018
Objective: To determine the effect of 23-gauge pars plana vitrectomy on corneal dioptric power through a comparison of difference in pre- and post- surgery keratometry. Study Design: Prospective non-comparative interventional type.
Abida Fida, Ahsan Mukhtar, Imran Basit, Fida Hussain, Mazhar Ishaq   +4 more
doaj  

Optical coherence tomography and autofluorescence findings in chronic phototoxic maculopathy secondary to snow-reflected solar radiation

Indian Journal of Ophthalmology, 2015
A professional mountain trekker presented with gradual, moderate visual decline in one eye. The subnormal vision could not be explained by the examination of anterior and posterior segment of either eye, which was unremarkable.
Dhananjay Shukla
doaj   +1 more source

Ocular Axial Length and Keratometry Readings of Normal Eyes in Southern Nigeria [PDF]

, 2010
Aim: To provide average axial length and keratometry readings in healthy eyes of people in Rivers and surrounding states in southern Nigeria. This may guide the purchase of intraocular lens in the study area.Materials and methods: Four hundred ...
Arowolo, D, D.O Onua, D Arowolo, A.O Adio, Adio, A.O, Onua, D.O   +5 more
core   +1 more source

Frequency and Age-Related Changes in Corneal Astigmatism in Cataract Surgery Candidates at a Training Hospital in Turkey

Medicina
Background and Objectives: To evaluate the magnitude, axis and age-related changes in corneal astigmatism in patients before cataract surgery. Materials and Methods: In this retrospective, cross-sectional, and observational study, data from 2152 eyes ...
Alper Can Yilmaz, Bagim Aycin Cakir Ince, Onder Ayyildiz, Fatih Mehmet Mutlu   +3 more
doaj   +1 more source

Agreement between ganglion cell‐inner plexiform layer metrics from widefield optical coherence tomography and Goldmann II, III, and V in glaucoma

Optometry and Vision Science, Volume 103, Issue 7, July 2026.
ABSTRACT Purpose To compare concordance between ganglion cell‐inner plexiform layer metrics acquired using widefield optical coherence tomography (OCT) and visual function assessed using Goldmann (G) II, III, and V stimulus sizes, in turn evaluating the role of spatial summation properties in binary classification of visual field (VF) results.
Janelle Tong, Jack Phu, David Alonso‐Caneiro, Jason Kugelman, Michael Kalloniatis, Ashish Agar, Minas Coroneo, Sieu Khuu   +7 more
wiley   +1 more source

Agreement between Lenstar and Pentacam in Keratometry and Anterior Chamber Depth Measurements [PDF]

, 2018
Purpose:  To compare keratometry and anterior chamber depth (ACD) measurements performed using Lenstar LS 900 (Haag-Streit AG, Switzerland) and the Pentacam (Oculus, Weltzar, Germany) devices in healthy eyes.Method: Sixty eyes of 30 healthy volunteers ...
Agha Mirsalim, Mohammad Reza, Rezaei Hemami, Mohsen, Jazayeri, Anis Alsadat, Dargahi, Mina, Yadgari, Maryam   +4 more
core   +1 more source

Image_1_Development and validation to predict visual acuity and keratometry two years after corneal crosslinking with progressive keratoconus by machine learning.JPEG

, 2023
PurposeTo explore and validate the utility of machine learning (ML) methods using a limited sample size to predict changes in visual acuity and keratometry 2 years following corneal crosslinking (CXL) for progressive keratoconus.MethodsThe study included
Dan Shen (380488), Hao-yu Wang (2744623), Yu Liu (6938), Qing-yan Zeng (15218953), Meng-ying Qi (16483575)   +4 more
core   +1 more source

A Mathematical Model for Axial Length Estimation in a Myopic Pediatric Population Based on Easily Obtainable Variables

Photonics
Determining the axial length (AL) of the eye is of significant interest in the management of myopia. However, the devices that allow this value to be obtained are either expensive, for example, optical biometers, or inconvenient for use in pediatric ...
Veronica Noya-Padin, Noelia Nores-Palmas, Alba Castro-Giraldez, Maria J. Giraldez, Hugo Pena-Verdeal, Eva Yebra-Pimentel   +5 more
doaj   +1 more source

Rhinosporidiosis of the tarsal conjunctiva

Indian Journal of Ophthalmology, 2015
Rhinosporidiosis is a rare infection caused by Rhinosporidium seeberi, an organism classified in its own class, mesomycetozoea. It commonly affects mucus membranes namely the nasal mucosa, pharynx and the conjunctiva. We present the case of an 8-year-old
Akshay Gopinathan Nair, Mohammad Javed Ali, Swathi Kaliki, Milind N Naik   +3 more
doaj   +1 more source

Femtosecond Laser Created Corneal Allogenic Intrastromal Ring Segments for Keratoconus

Clinical &Experimental Ophthalmology, Volume 54, Issue 5, Page 664-677, July 2026.
ABSTRACT Background To evaluate the clinical outcomes of femtosecond laser‐created corneal allogenic intrastromal ring segments (femto‐CAIRS) in keratoconic eyes using a newly described nomogram. Methods This retrospective case series recruited 85 eyes from 75 patients.
David J. Gunn, Rebecca A. Cox, Brendan Cronin   +2 more
wiley   +1 more source