A 12 years old boy receiving long term treatment for spring catarrh, developed defective vision in both eyes. The likely cause is:

A 12 years old boy receiving long term treatment for spring catarrh, d

1.	A 12 years old boy receiving long term treatment for spring catarrh, developed defective vision in both eyes. The likely cause is:
A.	Posterior subcapsular cataract
B.	Retinopathy of prematurity
C.	Optic neuritis
D.	Vitreous hemorrhage
Answer» B. Retinopathy of prematurity