Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12886-020-1309-5/MediaObjects/12886_2020_1309_Fig3_HTML.png)
Gonioscopy. Massive pigmentation was detected in the chamber angle of the right eye (white arrows), along with anterior adhesion of the iris and angle closure in the superior temporal quadrant and the inferior nasal quadrant (black arrows). The chamber angle in the left eye was normal