Research Article: Effects of Custom-Designed Soft Contact Lenses on Irregular Astigmatism Correction in Patients with Keratoconus
Introduction:
Keratoconus develops in the teenage years or early adulthood and causes progressive changes in the corneal shape, including thinning and protrusion. The pathogenesis is supposedly a combination of abnormal collagen production and degradation caused by genetic abnormalities and environmental factors, including atopic dermatitis, contact lens wear, and allergies, resulting in corneal fragility and thinning. , However, the specific mechanism is still unknown.
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