Clinical Study
Acanthamoeba Keratitis: A 12-Year Experience Covering a Wide Spectrum of Presentations, Diagnoses, and Outcomes
Table 1
Clinical characteristics and concurrent ocular conditions on presentation or referral.
| Presentation characteristics | n | % |
| Visual acuity on presentation (worse eye) | | | 20/25 or better | 81 | 35% | 20/30 to 20/100 | 113 | 49% | 20/125 or worse | 37 | 16% | Definite HSV keratitis (prior or concurrent) | 39 | 17% | Probable HSV keratitis (prior or concurrent) | 7 | 3% | History of Soft contact lens use | 148 | 64% | Acanthamoeba culture result | | | Positive | 32 | 14% | Negative | 80 | 35% | Unknown | 119 | 52% |
| Concurrent presenting ocular conditions | | % |
| Recent trauma | 12 | 5.2% | Diabetic eye disease | 7 | 3.0% | Atopy | 4 | 1.7% | Basement membrane dystrophy | 11 | 4.8% | EKC | 3 | 1.3% | History of refractive surgery | 5 | 2.2% | Crystalline keratopathy | 2 | 0.9% | Dry eye/rosacea | 13 | 5.6% |
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