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Rose Bengal is a stain that is helpful in identifying

  1. Cataracts

  2. Glaucoma

  3. Keratitis

  4. Retinopathy

The correct answer is: Keratitis

Rose Bengal is a stain that is helpful in identifying keratitis. Keratitis is the inflammation of the cornea, which can be caused by various factors such as infections, injury, or dry eye. Rose Bengal stain is commonly used to detect corneal epithelial defects, especially in cases of infectious or immune-mediated keratitis. It is important for ophthalmic professionals to be able to identify and diagnose keratitis accurately in order to provide appropriate treatment and prevent potential complications.