Keromalacia is characterized by

Keromalacia is mainly characterized by night blindness, photophobia, decreased vision, etc.

1. Night blindness

keromalacia is mainly characterized by night blindness in the early stage. Patients can feel the decline of eye adaptability in dark environment. It takes a long time to distinguish things after reaching the dark place from the bright place.

2. Photophobia progresses

with the disease, the conjunctiva surface of the eye is obviously dry, and the patient may appear photophobia. When facing light stimulation, the eyes are closed and unwilling to open their eyes.

3.

Cornea softening and infiltration are serious in the later stage of vision decline. Cornea may autolysis into ulcer, corneal necrosis and atrophy may cause vision decline or even blindness.