Original Research

Patient comfort following thirty minutes of lens wear: piggy-back versus conventional rigid-lens wear

W. D.H. Gillan
African Vision and Eye Health | South African Optometrist: Vol 73, No 1 | a1 | DOI: https://doi.org/10.4102/aveh.v73i1.1 | © 2014 W. D.H. Gillan | This work is licensed under CC Attribution 4.0
Submitted: 03 August 2014 | Published: 03 August 2014

About the author(s)

W. D.H. Gillan, The Anterior Eye Research Group, Department of Optometry, University of Johannesburg, South Africa

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Abstract

Discomfort when wearing contact lenses, especially rigid contact lenses, is a common complaint amongst neophyte as well as experienced contact lens wearers. Wearing a piggy-back system of contact lenses has been shown to improve comfort and wearing time, especially in keratoconic subjects. Twenty two normal subjects wore a rigid lens or a piggy-back system of lenses for thirty minutes and after a thirty minute break swopped the mode of lens wear and wore the second modality for a thirty minute period. This study suggests that a piggy-back lens system provides improved comfort compared to wearing a rigid lens on its own. The order of lens wear might, however, influence the perceived comfort.

Keywords

Piggy-back contact lenses; silicon hydrogels; rigid contact lenses; contact lens comfort

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