Results 31 to 40 of about 7,194 (98)

A contralateral eye study comparing characteristics of corneal endothelial cells in bilateral keratoconus patients with unilateral corneal Vogt's striae

Journal of Current Ophthalmology, 2018
Purpose: The aim of this study was to analyze and compare corneal endothelial cell morphology and characteristics in bilateral keratoconus (KCN) patients with unilateral Vogt's striae. Methods: Fifty patients aged 20–38 years were recruited in this cross-
Hadi Ostadi-moghaddam, Mohamad-Reza Sedaghat, Tahereh Rakhshandadi, Sattar Rajabi, Foroozan Narooie-Noori, Farshad Askarizadeh   +5 more
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Refractive Errors Among Medical Students

Nepalese Medical Journal, 2018
Introduction: Refractive errors are becoming a problem in many societies, with prevalence rates of myopia in many Asian urban countries reaching epidemic proportions.
Poojyashree Karki, Milesh J Sijapati, Pragya Basnet, Anjila Basnet   +3 more
doaj   +1 more source

STATE OF CONTRAST SENSITIVITY IN ASTIGMATISM IN SCHOOL-AGE CHILDREN

Вісник проблем біології і медицини, 2020
Objective. To determine the significance of changes in contrast sensitivity in the diagnosis of refractive errors in students of different ages. Object and methods of research.
Kharchenko L. L., Plyska O. O., Grusha M. M., Shkrobanets I. I.   +3 more
doaj   +1 more source

Investigation of the effects of Islamic fasting on ocular parameters

Journal of Current Ophthalmology, 2017
Purpose: To investigate the effects of religious fasting during the month of Ramadan on intraocular pressure (IOP), refractive error, corneal tomography and biomechanics, ocular biometry, and tear film layer properties.
Mohamad-Reza Sedaghat, Javad Heravian, Farshad Askarizadeh, Mahmoud Jabbarvand, Mohsen Nematy, Tahereh Rakhshandadi, Maryam-Sadat Amirkalali-Sijavandi, Fatemeh Shahsavan, Foroozan Narooie-Noori   +8 more
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Effect of Computer Tasks in Straight Gaze on Corneal Topographic Indices

Journal of Ophthalmic & Vision Research
Purpose: To investigate the effect of the near visual task of movie-watching in the straight gaze position on corneal topographic parameters. Methods: Thirty myopic young adults with an average age of 25.10 ± 4.13 years were recruited for the study.
Zeinab Tanhaye Shamsabady, Asieh Ehsaei, Monireh Mahjoob   +2 more
doaj   +1 more source

Comparison of mechanical debridement and trans-epithelial myopic photorefractive keratectomy: A contralateral eye study

Journal of Current Ophthalmology, 2019
Purpose: To compare clinical outcomes between mechanical debridement photorefractive keratectomy (m-PRK) and trans-epithelial photorefractive keratectomy (t-PRK) in myopic patients.
Siamak Zarei-Ghanavati, Javad Heravian Shandiz, Mojtaba Abrishami, Maliheh Karimpour   +3 more
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Retinal neurovascular assessment and choroidal vascularity index in patients with keratoconus

Scientific Reports
This study aims to evaluate the macular and the optic nerve head thickness and vascular profiles in KC patients and compare them with two groups of healthy emmetrope and subjects with myopic-astigmatism. This cross-sectional study was conducted at Khatam-
Javad Sadeghi, Yalda Barooti, Hamid Gharaei, Nasser Shoeibi, Mohammadreza Sedaghat, Negareh Yazdani, Ali Abasi Mehrabadi, Mehrdad Motamed Shariati   +7 more
doaj   +1 more source

Is there an association between convergence insufficiency and refractive errors?

African Vision and Eye Health, 2017
Background: Refractive errors and convergence insufficiency play major roles in reading efficiency. Uncorrected refractive errors are a primary cause of binocular anomalies, including convergence insufficiency.
Samuel Otabor Wajuihian
doaj   +1 more source

The normal distribution of corneal eccentricity and its determinants in two rural areas of north and south of Iran

Journal of Current Ophthalmology, 2018
Purpose: The aim of this study was to determine the distribution of corneal eccentricity (E-value) in a normal population and to examine related factors.
Samira Heydarian, Hassan Hashemi, Fereshteh Shokrollahzadeh, Abbas Ali Yekta, Hadi Ostadimoghaddam, Akbar Derakhshan, Mehdi Khabazkhoob   +6 more
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Refractive error blindness

Bulletin of the World Health Organization, 2001
Recent data suggest that a large number of people are blind in different parts of the world due to high refractive error because they are not using appropriate refractive correction.
Dandona Rakhi, Dandona Lalit
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