H33.1 - Retinoschisis and retinal cysts
H33.12 - Parasitic cyst of retina
H33.121 - Parasitic cyst of retina, right eye
H33.122 - Parasitic cyst of retina, left eye
H33.123 - Parasitic cyst of retina, bilateral
H33.129 - Parasitic cyst of retina, unspecified eye