Samssedi John
Abstract
The purpose of this case report is to show the benefits of scleral lenses in the management of corneal irregularity and primary corneal ectasia. Scleral lenses are special corneal gas-permeable lenses designed with a larger diameter to rest on the conjunctiva and vault over the cornea. This way, the lenses replace the damaged cornea with a smooth, uniform, regular surface that corrects the visual distortions caused by an irregular cornea. Scleral lenses provide optimisation of vision with additional benefits of protection and continuous hydration of the ocular surface through the post-lens tear reservoir. In Nigeria, scleral lenses are a new line of treatment that is rapidly becoming a valuable option in the management of irregular astigmatism, corneal irregularities, and ocular surface diseases, such as keratoconus, keratoglobus, and pellucid marginal degeneration. This is a case of a teenage Nigerian girl with oculocutaneous albinism, nystagmus, and irregular astigmatism.
Keywords: Scleral lenses, corneal irregularity, irregular astigmatism, oculocutaneous albinism, ocular surface disease.