Hard Contact Lenses (Rigid-Gas Permeable)

Year Invented - 1887

Inventor - Adolf Eugen Fick (Swiss physician)

Function - Corrects vision by maintaining a rigid shape on the eye, which reshapes or stabilizes the corneaI to help improve focus.

Details - Made out of defined, oxygen permeable plastic, which promotes sharp vision (RGP). Known to be very durable (replaced every 1-3 years), yet requires a longer initial adjustment period and intensive cleaning/upkeep.

See the rigid structure of a hard contact lens.

Photo Creds: Hard Contact Lens

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