Match the following.
Eye diseasesDefect(1) Glaucoma(A) an infection in the layer of the eye which causes inflammation(2) Colour blindness(B) increased pressure in the eye which causes damage to the optic nerve(3) Conjunctivitis(C) lens of the eye becomes opaque resulting in blindness(4) Cataract(D) inability to distinguish between colours due to defect in photoreceptors