Table 1

Patient characteristics in reported cases with a mid peripheral corneal ring opacity

Reported cases	Patient age at time of diagnosis, and sex	Uni- or bilateral	Diameter (and width) of rings (mm)	Distribution opacities	Appearance opacities	Progression opacities at diagnosis	Ocular pathology	Ocular history	Medical history	Blood picture and lipoprotein spectrum	Family examination
1 Ascher¹	39 M	bilateral	7–8 (1/3)	anterior stroma	grey-white, non-granular	stable for 10 years	iritis	recurrent iritis	unremarkable	normal	two sons normal
Bron²
2 Case 1	59 M	bilateral	10	posterior wedge stroma	white	NR	unilateral, marginal, infiltrate	unremarkable	NR	normal	relatives not available
3 Case 2	66 F	bilateral	8	posterior wedge stroma	white, granular	NR	unilateral, marginal, infiltrate	NR	angina and coronary thrombosis	NR	NR
4 Rieger³	65 M	unilateral	7–8	anterior 2/3 stroma	grey-white, yellow	NR	none	unremarkable	unremarkable	elevated serum cholesterol	NR
Bopp/Laqua4,5
5 Case 1	80 F	bilateral	7–8	anterior 1/2 stroma	grey, granular	stable for 9 years	cataract	NR	NR	normal	relatives normal
6 Case 2	65 M	bilateral	4–5 (1/3)	anterior 2/3 stroma	grey-white	stable for 6 years	cataract	cataract	NR	normal	siblings normal
7 Present study	25 M	bilateral	8 (1/3)	anterior 1/2 stroma	white, granular	stable for 2 years	none	unilateral ocular trauma	unremarkable	normal	relatives normal