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What are Scleral Contact Lenses?
Scleral contact lenses are custom made large-diameter rigid gas permeable contact lenses designed to cover the entire corneal surface and rest on the sclera (white part of the eye).
They are becoming increasingly popular for correcting irregular astigmatism, kerataconus and high myopia, and are extremely comfortable to wear.
Benefits of Scleral Contact Lenses
Scleral contact lenses provide a perfectly smooth optical surface to correct vision problems caused by corneal irregularities. Scleral contact lenses provide excellent visual correction for patients with ocular surface disorders such as keratoconus, pellucid marginal degeneration and severe dry eye disease as well as following corneal surgery.
Scleral contact lenses are extremely stable on the eye and do not move around like conventional (corneal) gas permeable contact lenses. The stability greatly improves comfort making them excellent for patients with sensitive eyes.
The space between the front of the eye and the back surface of a scleral contact lens acts as a fluid reservoir, providing a therapeutic benefit to patients with severe dry eyes who otherwise could not tolerate contact lens wear.
Modern scleral contact lenses are produced using highly ‘breathable’, rigid gas permeable contact lens materials enabling plenty of oxygen to pass through them to the eye.