- Congenital tumors.
- May be found as an isolated finding or in patients who have tuberous sclerosis or rarely in those with neurofibromatosis.
- Symptoms: depends on the extend and localization of the tumors.
- Can be seen as optic nerve or retinal glial tumors
- Initially appear as grayish, flat and translucent lesions
- May enlarge and show chalky white-cheesy central area surrounded by grayish margin
- Typical glistening, yellow, mulberry-like lesions which may become large and calcified
- Management: Observation.