The cornea is the transparent front layer of the eye that plays a vital role in protecting the eye and focusing light for clear vision. Various conditions such as keratoconus, corneal infections, dry eye syndrome, and corneal scarring can affect its function and impact eyesight. In this guide, Dr. Parul Sharma explains the structure, functions, and common disorders of the cornea, along with available treatment options to help maintain healthy vision and prevent long-term comp