Myopia Clinical Trial - Myopia Control With Simultaneous Vision Approach

Status Completed

Clinical Trial Summary

To determine if the 'Defocus Incorporated Soft Contact' (DISC) lens slows myopia progression in Hong Kong schoolchildren using simultaneous vision approach.

Clinical Trial Description

The investigators hypothesize that the natural process of emmetropization in human is regulated by the equilibrium between the opposite hyperopic and myopic defocus. A sharp focus of retinal image (foveal fixation) is fundamental for co-ordination of the equilibrium. The DISC lens is a custom-made multi-zone bifocal soft contact lens which is based on simultaneously provides clear vision and defocus at all viewing distances. It comprises of correcting zones for correcting distant prescription(correction of refractive error, and defocusing zones to incorporate constant myopic defocus for slowing down myopia progression. ;

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Myopia

Clinical Trial Details

NCT number	NCT00919334
Study type	Interventional
Source	The Hong Kong Polytechnic University
Contact
Status	Completed
Phase	Phase 1
Start date	July 2007
Completion date	June 2011

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