Histomorphometric measurements of the highly myopic group (eyes with absolute secondary angle closure glaucoma and an axial length >26 mm) compared with the non-highly myopic group (eyes with absolute secondary angle closure glaucoma and an axial length <26 mm) (mean (SD)
| Highly myopic group | Non-highly myopic group | p Value | |
|---|---|---|---|
| Intrapapillary region: | |||
| Optic disc diameter (mm) | 2.33 (0.55) | 1.77 (0.50) | 0.01 |
| Optic cup depth (mm) measured: | |||
| From the uveoscleral interface | 0.20 (0.19) | 0.34 (0.21) | 0.09 |
| From Bruch’s membrane | 0.24 (0.20) | 0.41 (0.21) | 0.08 |
| From retinal surface | 0.34 (0.29) | 0.63 (0.23) | 0.03 |
| Parapapillary region: | |||
| Width (mm) of: | |||
| Peripapillary scleral ring | 0.58 (0.65 | 0.08 (0.06 | 0.001 |
| Zone “B” | 0.83 (0.74) | 0.28 (0.25) | 0.006 |
| Zone “A” | 0.49 (0.25) | 0.42 (0.35) | 0.17 |
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↵Significance of differences between the two groups.









