Table 1

Summary of ophthalmic findings

Case	Eye	Visual acuity	Ultrasound scan	Size of optic disc	Fibroglial tissue	Vascular pattern	Pigmentation
1		Right	6/9	Normal	Normal	NA	Normal	Nil
1		Left	6/60	Deep excavation	Normal	Absent	Normal from disc, sharp bend over edge	Walls with RPE change
2		Right	6/18	Deep excavation	Normal	+ present	Normal from disc, sharp bend over edge for both eyes		Both with RPE change in walls of depression
2		Left	6/18	Deep excavation	Normal	Absent	Normal from disc, sharp bend over edge for both eyes		Both with RPE change in walls of depression
3		Right	6/9	Normal	Small	NA	Normal	Nil
3		Left	6/18	Normal	Small	NA	Normal	Nil
4		Right	6/9	Normal	Normal	NA	Normal	Nil
4		Left	3/60	Deep excavation	Normal	Absent	Normal from disc, sharp bend over edge	Walls with RPE change
5		Right	6/9	Normal	Small	NA	Normal	Nil
5		Left	6/9	Normal	Small	NA	Normal	Nil
6		Right	6/18	Deep excavation some tissue	Slightly enlarged	+ present	Sharp bend over edge, slight radiality	RPE change in walls of depression
6		Left	HM	Shallow excavation with tissue within it	Enlarged	+++ present	Abnormal radial configuration	Peripapillary annulus RPE change