Fluctuating refractive errors with cataract are seen in -: (A) Morgagnian cataract, (B) Diabetic cataract, (C) Intumescent cataract, (D) Traumatic cataract
Answer is B. In diabetic cataract a large number of fluid vacuoles appear under the anterior and posterior pas of the capsule, initially manifesting as myopia and then producing a diffuse opacity.