PMC7332720_01
Fundus photograph showing the free-floating, pigmented vitreous cyst
OC-10-18-g-001.jpg
PMC7332720_01_OC-10-18-g-001.jpg
F1
Fundoscopy showed an oval, pigmented, translucent cyst in the left eye with no apparent attachments (Figure 1 (Fig. 1)).
The single layer of cuboidal cells contain a variable amount of pigmented granules and are lined with a PAS-positive basement membrane (periodic acid-Schiff staining x20).
OC-10-18-g-002.jpg
PMC7332720_01_OC-10-18-g-002.jpg
F2
A collapsed cyst consisting of a single layer of partially pigmented cuboidal cells was seen on microscopy (Figure 2 (Fig. 2)). A periodic acid-Schiff-positive basal membrane was visible on one side of the cells (Figure 2 (Fig. 2)).
PMC7332720_02
Fundus photograph showing the prepapillary cyst
OC-10-18-g-003.jpg
PMC7332720_02_OC-10-18-g-003.jpg
F3
Fundoscopy showed a round, whitish, vascularised prepapillary structure without transillumination on the left side, and was normal on the right side (Figure 3 (Fig. 3)).