Figure 2. Classic features of Chinese patients with primary congenital glaucoma. A: The left eye is obviously bigger than the right eye and mild corneal haze with visible iris. B: Intraocular pressure (IOP) was measured with Tono-PEN®. C,D: The horizontal diameter of the cornea is about 13 mm measured with bisecting compasses. E,F: The structure of the anterior chamber angle on gonioscopy; absence of angle recess; peripheral iris hypoplasia; tenting of the peripheral iris pigment epithelium. G,H: The fundi photos show a dissymmetric cup disc ratio.