Evaluation of biometric parameters, corneal health and binocular vision status after using menicon z-night orthokeratology (OK) lenses among young Malay adults / Aisyah Mat Yacob

Myopic power can be reduced using Menicon Z-Night orthokeratology (OK) lens. No study has reported on the success of this lens among Malays. The aim of this study was to determine changes inbiometric parameters, corneal health and binocular vision status in young Malay adults after wearing this OK l...

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Main Author:	Mat Yacob, Aisyah
Format:	Thesis
Language:	English
Published:	2019
Online Access:	https://ir.uitm.edu.my/id/eprint/99307/1/99307.pdf
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id	my-uitm-ir.99307
record_format	uketd_dc
spelling	my-uitm-ir.993072024-09-12T16:20:02Z Evaluation of biometric parameters, corneal health and binocular vision status after using menicon z-night orthokeratology (OK) lenses among young Malay adults / Aisyah Mat Yacob 2019 Mat Yacob, Aisyah Myopic power can be reduced using Menicon Z-Night orthokeratology (OK) lens. No study has reported on the success of this lens among Malays. The aim of this study was to determine changes inbiometric parameters, corneal health and binocular vision status in young Malay adults after wearing this OK lens for six months. Purposive sampling was used in this Quasi experimental longitudinal study and participants were recruited through advertisements placed around campus and by personal invitation. Visual acuity (VA) was recorded using a Snellen chart and later converted to logarithm of the Minimum Angle of Resolution (logMAR) unit, refractive power was measured subjectively, and steep and flat central corneal curvature (Ks and Kf) was measured using corneal topographer. Anterior segment length was measured using a A-Scan ultrasonography. Corneal thickness was measured using pachymeter. Endothelial cornea health was assessed using specular microscopy. Phoria was measured using Howell card at distance and near. The amplitude of accommodation (AA) and near point of convergence (NPC) were measured using Royal Air Force (RAF) ruler, accommodative response (AR) was measured using monocular estimated method (MEM) retinoscopy, the fusional reserve was measured using a rotating prism and accommodative facility (AF) was measured using a lens flipper. 2019 Thesis https://ir.uitm.edu.my/id/eprint/99307/ https://ir.uitm.edu.my/id/eprint/99307/1/99307.pdf text en public masters Universiti Teknologi MARA (UiTM) Faculty of Health Sciences Mohidin, Norhani
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Mohidin, Norhani
description	Myopic power can be reduced using Menicon Z-Night orthokeratology (OK) lens. No study has reported on the success of this lens among Malays. The aim of this study was to determine changes inbiometric parameters, corneal health and binocular vision status in young Malay adults after wearing this OK lens for six months. Purposive sampling was used in this Quasi experimental longitudinal study and participants were recruited through advertisements placed around campus and by personal invitation. Visual acuity (VA) was recorded using a Snellen chart and later converted to logarithm of the Minimum Angle of Resolution (logMAR) unit, refractive power was measured subjectively, and steep and flat central corneal curvature (Ks and Kf) was measured using corneal topographer. Anterior segment length was measured using a A-Scan ultrasonography. Corneal thickness was measured using pachymeter. Endothelial cornea health was assessed using specular microscopy. Phoria was measured using Howell card at distance and near. The amplitude of accommodation (AA) and near point of convergence (NPC) were measured using Royal Air Force (RAF) ruler, accommodative response (AR) was measured using monocular estimated method (MEM) retinoscopy, the fusional reserve was measured using a rotating prism and accommodative facility (AF) was measured using a lens flipper.
format	Thesis
qualification_level	Master's degree
author	Mat Yacob, Aisyah
spellingShingle	Mat Yacob, Aisyah Evaluation of biometric parameters, corneal health and binocular vision status after using menicon z-night orthokeratology (OK) lenses among young Malay adults / Aisyah Mat Yacob
author_facet	Mat Yacob, Aisyah
author_sort	Mat Yacob, Aisyah
title	Evaluation of biometric parameters, corneal health and binocular vision status after using menicon z-night orthokeratology (OK) lenses among young Malay adults / Aisyah Mat Yacob
title_short	Evaluation of biometric parameters, corneal health and binocular vision status after using menicon z-night orthokeratology (OK) lenses among young Malay adults / Aisyah Mat Yacob
title_full	Evaluation of biometric parameters, corneal health and binocular vision status after using menicon z-night orthokeratology (OK) lenses among young Malay adults / Aisyah Mat Yacob
title_fullStr	Evaluation of biometric parameters, corneal health and binocular vision status after using menicon z-night orthokeratology (OK) lenses among young Malay adults / Aisyah Mat Yacob
title_full_unstemmed	Evaluation of biometric parameters, corneal health and binocular vision status after using menicon z-night orthokeratology (OK) lenses among young Malay adults / Aisyah Mat Yacob
title_sort	evaluation of biometric parameters, corneal health and binocular vision status after using menicon z-night orthokeratology (ok) lenses among young malay adults / aisyah mat yacob
granting_institution	Universiti Teknologi MARA (UiTM)
granting_department	Faculty of Health Sciences
publishDate	2019
url	https://ir.uitm.edu.my/id/eprint/99307/1/99307.pdf
_version_	1811768996836409344

Evaluation of biometric parameters, corneal health and binocular vision status after using menicon z-night orthokeratology (OK) lenses among young Malay adults / Aisyah Mat Yacob

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