Results 11 to 20 of about 573,259 (262)

Human intraretinal myelination: Axon diameters and axon/myelin thickness ratios

open access: yesIndian Journal of Ophthalmology, 2013
Purpose: Human intraretinal myelination of ganglion cell axons occurs in about 1% of the population. We examined myelin thickness and axon diameter in human retinal specimens containing myelinated retinal ganglion cell axons.
Thomas FitzGibbon, Zoran Nestorovski
doaj   +1 more source

Visual Functions of the Thalamus [PDF]

open access: yesAnnual Review of Vision Science, 2015
The thalamus is the heavily interconnected partner of the neocortex. All areas of the neocortex receive afferent input from and send efferent projections to specific thalamic nuclei. Through these connections, the thalamus serves to provide the cortex with sensory input, and to facilitate interareal cortical communication and motor and cognitive ...
W Martin, Usrey, Henry J, Alitto
openaire   +2 more sources

Visual function of children with visual and other disabilities in Oman: A case series

open access: yesOman Journal of Ophthalmology, 2015
Background : We assessed visual functioning of the children with special needs in Oman between 2009 and 2012. We present the methods of assessing different visual functions, outcomes and interventions carried out to improve their functioning.
Urmi Gogri   +2 more
doaj   +1 more source

Comparison of visual requirements and regulations for obtaining a driving license in different European countries and some open questions on their adequacy

open access: yesFrontiers in Human Neuroscience, 2022
We reviewed the current state of knowledge regarding visual function and its suitability as part of medical examinations for driving licenses. We focused only on Group 1 drivers. According to previous studies, visual acuity, which is the most common test,
Nina Kobal, Marko Hawlina
doaj   +1 more source

Functional Visual Loss [PDF]

open access: yesNeurologic Clinics, 2010
Neurologists frequently evaluate patients complaining of vision loss, especially when the patient has been examined by an ophthalmologist who has found no ocular disease. A significant proportion of patients presenting to the neurologist with visual complaints have nonorganic or functional visual loss. Although there are examination techniques that can
Beau B, Bruce, Nancy J, Newman
openaire   +2 more sources

Validity and cost-effectiveness of cone adaptation test as a screening tool to detect retinitis pigmentosa

open access: yesOman Journal of Ophthalmology, 2016
Background: The cone adaptation test is to detect retinitis pigmentosa (RP) cases confirmed by electroretinogram (ERG). We present the validity and cost-effectiveness of cone adaptation test as a screening tool for detecting RP.
Rahul Deshpande   +5 more
doaj   +1 more source

Dynamics of Visual Partial Functions in Children and Pupils from 5-8 Years of Age [PDF]

open access: yesКлиническая и специальная психология, 2019
The article focuses on the structure and the dynamics of partial functions of visual skills (visual segmentation – visual differentiation of the figure/background, visual differentiation of shapes and visual memory) children during their last year at ...
Valenta M.
doaj   +1 more source

Visual Functions in Children in Remote Postoperative Period after Laser Treatment of Threshold Stages of Retinopathy of Prematurity

open access: yesOftalʹmologiâ, 2018
Purpose. Analysis of visual functions in children in remote postoperative period after laser coagulation (LC) of threshold stages of retinopathy of prematurity (ROP).Patients and methods.
M. V. Pshenichnov   +3 more
doaj   +1 more source

Infectious scleritis: Clinical spectrum and management outcomes in India

open access: yesIndian Journal of Ophthalmology, 2013
In this retrospective case series, we studied the predisposing factors, causative organisms, clinical spectrum, and outcomes of 12 cases of culture-proven infectious scleritis. Nine of 12 patients had a history of preceding trauma (surgical or accidental)
Zia Sultan Pradhan, Pushpa Jacob
doaj   +1 more source

Long-term change in central corneal thickness from a glaucoma perspective

open access: yesIndian Journal of Ophthalmology, 2013
Aim: To investigate the longitudinal change in central corneal thickness (CCT) over 3 years in patients with glaucoma. Materials and Methods: The Chennai Glaucoma Follow-up Study, an offshoot of the Chennai Glaucoma Study, was designed to evaluate the ...
Nikhil S Choudhari   +6 more
doaj   +1 more source

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