Optic disc hypoplasia
The left disc is smaller compared with the right (in some cases there is peripapillary atrophy, if there is pigmentary
changes in the inner and outer rings the disc gives a double ring sign). The blood vessels may enter the optic disc
at an angle (giving an appearance of tilted disc).
- there may be associated nystagmus in the involved eye
- there may be strabismus or afferent pupillary defect is the involvement is unilateral
1. What are the causes of optic nerve hypoplasia?Answer
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