EFFECT OF HARD CONTACT LENSES ON CORNEAL SENSITIVITY AND THICKNESS | Zendy

MILLODOT MICHEL | Zendy

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EFFECT OF HARD CONTACT LENSES ON CORNEAL SENSITIVITY AND THICKNESS

Author(s) -

MILLODOT MICHEL

Publication year - 1975

Publication title -

acta ophthalmologica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.534

H-Index - 87

eISSN - 1755-3768

pISSN - 1755-375X

DOI - 10.1111/j.1755-3768.1975.tb01776.x

Subject(s) - ophthalmology , effects of long term contact lens wear on the cornea , contact lens , sensitivity (control systems) , cornea , medicine , lens (geology) , corneal topography , materials science , optics , physics , electronic engineering , engineering

Corneal sensitivity and central corneal thickness were measured on 11 subjects before and after 8 hours of hard contact lens wear. Both factors were monitored for 30 min after removal. It was found that hard contact lenses affect both corneal sensitivity and thickness, significantly. After 8 hours the reduction of sensitivity was found to be, on average, 94% in the centre and 116% in the periphery, and the average increase in thickness was 6.9%. Thirty minutes after removal corneal sensitivity had recovered 82% and 100% in the centre and periphery, respectively, and corneal thickness had decreased by 6.3%. A high correlation was found between central and peripheral corneal sensitivity. This investigation shows that corneal sensitivity measurements offer an alternative method of assessing corneal integrity which is simple and precise.

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