Figure 2: Slit-lamp photographs of five affected patients. The right pictures indicate the left eye and the left pictures indicate the right eye. (A and B): Case 1. (C and D): Case 2. (E and F): Case 3, no crystals were found in the right eye, but with crystals in the left eye (black arrows). (G and H): Case 4, crescent-shaped opacifications (white arrows) and incomplete arcus lipoides (black arrows) were observed in the limbus of both corneas. (I and J): Case 5.