Osteomalacia is a condition characterized by softening of the bones due to a deficiency of vitamin D, calcium, or phosphate. It can lead to bone pain, muscle weakness, and an increased risk of fractures.
Keratomalacia is a condition characterized by softening and degeneration of the cornea, the clear outer layer of the eye. It is typically caused by severe vitamin A deficiency and can lead to vision problems and blindness if left untreated.