Results 71 to 80 of about 13,922 (205)

Cone Spacing Correlates With Retinal Thickness and Microperimetry in Patients With Inherited Retinal Degenerations. [PDF]

open access: yes, 2019
PurposeTo determine whether high-resolution retinal imaging measures of macular structure correlate with visual function over 36 months in retinal degeneration (RD) patients and normal subjects.MethodsTwenty-six eyes of 16 RD patients and 16 eyes of 8 ...
Baldwin, Angela   +8 more
core   +1 more source

Measurement of retinal vessel widths from fundus images based on 2-D modeling [PDF]

open access: yes, 2002
Changes in retinal vessel diameter are an important sign of diseases such as hypertension, arteriosclerosis and diabetes mellitus. Obtaining precise measurements of vascular widths is a critical and demanding process in automated retinal image analysis ...
Basu, A.   +5 more
core   +1 more source

Direct Ophthalmoscopy Toward the Retinal Periphery

open access: yesCanadian Journal of Optometry, 1981
Examination of the vortex vein re­gion (some 3 mm posterior to the equator of the eye) requires from 3 to 5 D of extra plus power in the direct ophthalmoscope, relative to the power required to examine the optic nerve head. The method used to ob­tain the above estimate for a single subject is described in an earlier report by Williams and Bader.
T David Williams, A DiPasquale
openaire   +1 more source

Ocular Pharmacokinetics of Topical Chloramphenicol in Dogs: Effects of Concentration and Vehicle Formulation

open access: yesJournal of Veterinary Pharmacology and Therapeutics, EarlyView.
ABSTRACT This study compared tear film exposure and retention of four chloramphenicol ophthalmic formulations in dogs, evaluating the effects of drug concentration (0.2% to 5%) and vehicle type (solution vs. ointment). Eight healthy dogs were enrolled in a randomized paired‐eye crossover study consisting of two sessions with a 7‐day washout.
Bar Fruchter   +3 more
wiley   +1 more source

Surgical coverage of cataract in a rural area of north India: A cross-sectional study

open access: yesJournal of Family Medicine and Primary Care, 2020
Background: India has the highest number of blind people globally, unoperated cataract being the most common cause of blindness and low vision. Although safe and effective cataract surgical techniques are available, the cataract burden continues to ...
Shalini Sobti, Bhavna Sahni, Kiran Bala
doaj   +1 more source

In vivo imaging reveals transient microglia recruitment and functional recovery of photoreceptor signaling after injury. [PDF]

open access: yes, 2019
Microglia respond to damage and microenvironmental changes within the central nervous system by morphologically transforming and migrating to the lesion, but the real-time behavior of populations of these resident immune cells and the neurons they ...
Burns, Marie E   +4 more
core   +1 more source

A combination of modified Kuhnt–Szymanowski and Celsus–Hotz techniques for correction of entropion and overlong lower eyelids in dogs (40 eyes)

open access: yesVeterinary Ophthalmology, Volume 28, Issue 2, Page 114-123, March 2025.
Abstract Purpose To describe a surgical approach to correct entropion and overlong lower eyelids in dogs by combining the Celsus–Hotz with the modified Kuhnt–Szymanowski technique. Methods Medical records of patients undergoing the described surgical procedure were reviewed.
Hanna Walter   +3 more
wiley   +1 more source

Ophthalmoscopy simulation: advances in training and practice for medical students and young ophthalmologists

open access: yesAdvances in Medical Education and Practice, 2017
Lucas Holderegger Ricci,1 Caroline Amaral Ferraz2 1Department of Ophthalmology, School of Medicine, Laureate International Universities, São Paulo (SP), Brazil; 2Department of Ophthalmology, Federal University of São Paulo (UNIFESP), S ...
Ricci LH, Ferraz CA
doaj  

The Truth About Diabetic Eye Screening: A Deep Dive into Diagnostic Accuracy

open access: yesJournal of Pharmaceutical Research
Diabetic retinopathy (DR) is a leading cause of preventable blindness worldwide, emphasizing the importance of early detection through effective screening methods.
Ragni Kumari
doaj   +1 more source

Role Of Point Of Care Ultrasound In The Diagnosis Of Retinal Detachment In The Emergency Department. [PDF]

open access: yes, 2019
Ocular complaints represent up to 3% of all emergency department (ED) visits. These presentations can result in permanent vision loss if not promptly diagnosed and treated.
Ali, Qumber   +4 more
core  

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