Table 1.
Primary diagnosis of patients undergoing amniotic membrane grafting with and without postoperative calcification
| Primary diagnosis | Number in non-calcified group | Number in calcified group | Total |
| Herpes simplex virus | 21 | 4 | 25 |
| Chemical burn | 10 | 1 | 11 |
| Bullous keratopathy | 10 | 10 | |
| Rheumatoid disease | 8 | 8 | |
| Neuropathic cornea | 5 | 5 | |
| Corneal tattooing to blind eye | 1 | 1 | |
| Non-healing defect after PKP | 3 | 3 | |
| Ocular pemphigoid | 3 | 1 | 4 |
| Bacterial corneal ulcer | 4 | 4 | |
| Atopic eczema | 3 | 3 | |
| Limbal stem cell insufficiency | 3 | 3 | |
| Thermal burn | 2 | 2 | |
| Herpes zoster | 2 | 2 | |
| Trauma | 2 | 2 | |
| Systemic graft-versus-host disease | 2 | 2 | |
| Floppy eyelid syndrome | 1 | 1 | |
| Marginal ulcer | 1 | 1 | |
| Contact lens related ulcer | 1 | 1 | |
| Pterygium | 1 | 1 | |
| Acanthamoeba keratitis | 1 | 1 | |
| Fuchs-Stevens-Johnson’s syndrome | 1 | 1 | |
| Interstitial keratitis | 1 | 1 | |
| Fungal ulcer | 1 | 1 | |
| Total | 83 | 10 | 93 |
PKP = penetrating keratoplasty.