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The Influence of the RGP contact lenses on glare of keratoconus

Presented During:  Irregular Ocular Surface, Keratoconus and Contact Lenses
Sat. 16 June 2018: 08:40  - 08:50 
Invited Symposium 
Hall 8.0 
Room: Room 14 


Keratoconus represents a progressive non-inflammatory thinning and protrusion of the cornea. Most of them develop into high degree of irregular astigmatism. Clinically, the best method to correct the irregular astigmatism is fitting with rigid gas-permeable contact lenses, as these provide a regular refracting surface over the cone. Our study investigated the changes of Shape Discrimination Threshold (SDT) and The Quality of Vision (QoV) scale in keratoconus before and after wearing RGP contact lenses, in order to analyze glare quantitatively and qualitatively. In addition, we triedto explore the relationship between the objective measurement and the subjective feeling of glare, aimed to evaluate the influence of RGP contact lenses on glare of keratoconus comprehensively.


Jun Jiang, MD