What Is Neurotrophic Keratitis? Neurotrophic keratitis (NK) is a rare, potentially sight-threatening condition that affects the surface of the eye, specifically the cornea, due to damage or dysfunction of the corneal nerves. When these nerves are compromised, the cornea loses its ability to sense irritation or injury—leading to impaired wound healing, persistent surface problems, and, in severe cases, vision loss. At Optihealth Optometry, we recognize that corneal nerve health is a crucial, o...

Understanding Neurotrophic Keratitis: Causes, Stages, and Why Corneal Nerve Health Matters

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