Short posterior ciliary artery supply to Zinn–Haller ring in 44 eyes whose ring was visible completely around the optic nerve head
| Type | No of eyes | % of eyes |
|---|---|---|
| Medial and lateral SPCAs | 22 | 50.0 |
| Medial SPCA | 7 | 15.9 |
| Lateral SPCA | 7 | 15.9 |
| Unknown | 8 | 21.1 |
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SPCA = short posterior ciliary artery.









