Results 71 to 80 of about 8,996,284 (277)

Ocular hypertension in myopia: analysis of contrast sensitivity [PDF]

open access: yes, 2018
Purpose: we evaluated the evolution of contrast sensitivity reduction in patients affected by ocular hypertension and glaucoma, with low to moderate myopia.
Arrico, L   +4 more
core   +1 more source

Scleral Lens Sensor for Ocular Electrolyte Analysis

open access: yesAdvances in Materials, 2019
The quantitative analysis of tear analytes in point‐of‐care settings can enable early diagnosis of ocular diseases. Here, a fluorescent scleral lens sensor is developed to quantitatively measure physiological levels of pH, Na+, K+, Ca2+, Mg2+, and Zn2 ...
A. Yetisen   +12 more
semanticscholar   +1 more source

Mean shape of the human limbus [PDF]

open access: yesJ Cataract Refract Surg. 2017 May;43(5):667-672, 2019
Purpose: To characterize the mean topographical shape of the human limbus of a normal eye and ascertain whether it depends on age and refractive power. Setting: Academic institution. Design: Prospective case series. Methods: 74 subjects aged from 20 to 84 years and with no previous ocular surgeries were included in this study. The left eye was measured
arxiv   +1 more source

Imaging of the Lamina Cribrosa using Swept-Source Optical Coherence Tomography. [PDF]

open access: yes, 2012
The lamina cribrosa (LC) is the presumed site of axonal injury in glaucoma. Its deformation has been suggested to contribute to optic neuropathy by impeding axoplasmic flow within the optic nerve fibers, leading to apoptosis of retinal ganglion cells. To
Mansouri, Kaweh   +2 more
core   +2 more sources

Autologous fascia lata grafting in scleromalacia perforans

open access: yesThe Pan-American Journal of Ophthalmology, 2020
Ocular perforating is the most dreaded scenario to confront in patients with scleromalacia perforans. Despite its low prevalence, the progression of scleral necrosis to exposed uvea represents one of the ophthalmic emergencies with a high risk of loss of
Karin F A. Caro   +3 more
doaj   +1 more source

A comparison of two conjunctival rotation autograft techniques in primary pterygium surgery. [PDF]

open access: yes, 2017
PURPOSE: To compare the effects of 90° and 180° conjunctival rotational autograft (CRA) techniques used in primary pterygium surgery. METHODS: Forty-five patients were included in this retrospective study. Visual acuity (VA), corneal topography, and auto-
Aksoy, Umit   +7 more
core   +3 more sources

Matrix Metalloproteinases and Glaucoma Treatment. [PDF]

open access: yes, 2020
Matrix metalloproteinases (MMPs) are a family of proteolytic enzymes that degrade extracellular matrix (ECM) components such as collagen and have important roles in multiple biological processes, including development and tissue remodeling, both in ...
Dibas, Mohammed   +3 more
core  

Eccentric lamellar keratolimbal grafts harvested with a manually guided microkeratome [PDF]

open access: yes, 2007
Background: To perform lamellar keratolimbal allograft transplantation in a one- step procedure with a single graft, we investigated the feasibility of harvesting eccentric lamellar keratolimbal grafts from conventionally processed corneoscleral buttons ...
A. Kampik   +33 more
core   +1 more source

Claw U-Net: A Unet-based Network with Deep Feature Concatenation for Scleral Blood Vessel Segmentation [PDF]

open access: yesarXiv, 2020
Sturge-Weber syndrome (SWS) is a vascular malformation disease, and it may cause blindness if the patient's condition is severe. Clinical results show that SWS can be divided into two types based on the characteristics of scleral blood vessels. Therefore, how to accurately segment scleral blood vessels has become a significant problem in computer-aided
arxiv  

Rapidly Dissolving Trans-scleral Microneedles for Intraocular Delivery of Cyclosporine A.

open access: yesAAPS PharmSciTech
Cyclosporine A (CsA) is a cyclic peptide immunosuppressant drug that is beneficial in the treatment of various ocular diseases. However, its ocular bioavailability in the posterior eye is limited due to its poor aqueous solubility.
Hamad Alrbyawi   +8 more
semanticscholar   +1 more source

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