unimelb.edu.au Corneal ectasias include a group of disorders characterised by progressive thinning, bulging and distortion of the cornea. Keratoconus is the most common disease in this group. Other ...

Pellucid Marginal Degeneration. Classic pellucid marginal degeneration (PMD) has clinical features consisting of a zone of inferior corneal thinning within 2-3 mm of the inferior limbus.

Lake Superior, the largest freshwater lake in the United States and a critical natural resource, experienced its lowest water levels in a decade in 2024. According to the National Oceanic and ...

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The ophthalmic nerve, a sensory branch of the trigeminal nerve, supplies the eye’s structures—like the cornea and lacrimal gland—as well as the upper eyelid, forehead, and nasal cavity. It leads into ...