Results 231 to 240 of about 1,084,597 (313)

Effectiveness of early lens extraction for the treatment of primary angle-closure glaucoma (EAGLE): a randomised controlled trial

open access: yesLancet, The, 2016
BACKGROUND Primary angle-closure glaucoma is a leading cause of irreversible blindness worldwide. In early-stage disease, intraocular pressure is raised without visual loss. Because the crystalline lens has a major mechanistic role, lens extraction might
Augusto Azuara-Blanco   +2 more
exaly   +2 more sources

Lens-on-lens microstructures

Optics Letters, 2015
Microlenses with multiple focal lengths play an important role in three-dimensional imaging and the real-time detection of unconfined or fluctuating targets. In this Letter, we present a novel method of fabricating lens-on-lens microstructures (LLMs) using a two-step femtosecond laser wet etching process. A 3×3 LLM array was made with a diameter of 129.
Qing, Yang   +7 more
openaire   +2 more sources

The physiological optics of the lens

Progress in Retinal and Eye Research, 2017
Paul J Donaldson   +2 more
exaly   +2 more sources

The official guide to scleral lens terminology.

Contact lens & anterior eye : the journal of the British Contact Lens Association, 2020
PURPOSE In absence of scleral lens standards, this article aims to provide an official definition of terms related to scleral lens fitting and manufacturing, in order to make more uniform the use of appropriate terms when describing, writing or lecturing
L. Michaud   +3 more
semanticscholar   +1 more source

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