Summary of case details
| Patient details | ||||
|---|---|---|---|---|
| Case 1 | Case 2 | Case 3 | Case 4 | |
| Sex | Male | Male | Male | Male |
| Age | 22 | 16 | 21 | 17 |
| Eye | Left | Left | Right | Left |
| Refraction | −1.75/−0.25×50 | −4.50 | −3.50 | −5.00/−1.50×5 |
| Lens brand | CibaVision Focus Night and Day | Bausch & Lomb Pure Vision | Bausch & Lomb PureVision | CibaVision Focus Night and Day |
| Duration of EWSCL use | 12 months | 12 months | 6 weeks | 12 months |
| Pattern of wear | Monthly continuous wear | Monthly continuous wear | Daily wear, changing to 24 hours' continuous wear just before presentation | Monthly continuous wear |
| Duration of wear | 10 days | 7 days | 24 hours | 2 days |
| Microscopy | Insufficient specimen, no PMN or organisms seen | Fungal elements on Blankophor preparation. No organisms on Gram stain | PMN +, no organisms seen | No PMN, no organisms seen |
| Culture | Serratia marcescens (sheep blood agar plate) | Acinetobacter (enrichment broth) Penicillium (Sabouraud agar) | Heavy growth of Corynebacterium (sheep blood agar plate) | α Haemolytic streptococcus, in enrichment broth |
| Contact lens culture | Serratia marcescens | Yeast from left lens; Penicillium from right lens | Not available | No growth |
| Other risk factors | Swam in lenses 2 weeks earlier | Swam in lenses 1 week earlier | Swam in a different pair of lenses 3 days earlier | |
| Last corrected VA (time) | VAR=6/6–1 (2 weeks) | VAL=6/7.5 (8 days) | Unavailable | VAL=6/7.5 (1 week) |