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Subfoveal Choroidal Thickness After Surgery for Age-related Cataracts

2016-09-11 18:01:20 | BioPortfolio

Summary

To compare the effects of femtosecond laser-assisted cataract surgery (FLACS) and conventional phacoemulsification surgery (CPS) on subfoveal choroidal thickness (SFCT) in age-related cataracts.

Description

It is not clear whether femtosecond laser-assisted cataract surgery (FLACS) alters retinal and choroidal thickness. The goal of the present study was to determine the changes of retinal and choroidal thicknesses in patients who have undergone FLACS compared to patients who have undergone conventional phacoemulsification surgery (CPS).

Study Design

Allocation: Non-Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Cataract

Intervention

Femtosecond laser-assisted cataract surgery, Conventional phacoemulsification cataract surgery, Tropicamide, Proparacaine hydrochloride

Location

Zhongshan Ophthalmic Center, Sun Yat-sen University
Guangzhou
Guangdong
China
510060

Status

Completed

Source

Sun Yat-sen University

Results (where available)

View Results

Links

Published on BioPortfolio: 2016-09-11T18:01:20-0400

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Medical and Biotech [MESH] Definitions

The making of a continuous circular tear in the anterior capsule during cataract surgery in order to allow expression or phacoemulsification of the nucleus of the lens. (Dorland, 28th ed)

A technique utilizing a laser coupled to a catheter which is used in the dilatation of occluded blood vessels. This includes laser thermal angioplasty where the laser energy heats up a metal tip, and direct laser angioplasty where the laser energy directly ablates the occlusion. One form of the latter approach uses an EXCIMER LASER which creates microscopically precise cuts without thermal injury. When laser angioplasty is performed in combination with balloon angioplasty it is called laser-assisted balloon angioplasty (ANGIOPLASTY, BALLOON, LASER-ASSISTED).

Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (Dorland, 27th ed)

A procedure for removal of the crystalline lens in cataract surgery in which an anterior capsulectomy is performed by means of a needle inserted through a small incision at the temporal limbus, allowing the lens contents to fall through the dilated pupil into the anterior chamber where they are broken up by the use of ultrasound and aspirated out of the eye through the incision. The small incision allows the surgeon to use very few or even no stitches to close the tiny wound. There is usually no need for hospitalization and patients may resume most activities within days. (Cline, et al., Dictionary of Visual Science, 4th ed & In Focus 1993;1(1):1)

Loss of CORNEAL ENDOTHELIUM usually following intraocular surgery (e.g., cataract surgery) or due to FUCHS' ENDOTHELIAL DYSTROPHY; ANGLE-CLOSURE GLAUCOMA; IRITIS; or aging.

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