Excimer Laser Phototherapeutic Keratectomy for the Treatment of Clinically Presumed Fungal Keratitis

Table 3

Demographic, clinical, and surgical data on six failure cases with phototherapeutic keratectomy.

Case	Gender/age (y)	Predisposing factors	Pathogen	Original findings; at our hospital	Duration to PTK (d)	Ablation data	Evolution
1	F/44; LE	Botanical trauma	His: Aspergillus; Culture: S. epidermidis	Ulcer: 5.0×6.0 mm; Hypopyon: 3 mm; VA: HM	52	Size: 6.0 mm; Depth: 75 μm	Infection progression,; AMT at 13 days
2	M/60; RE	Sand entering the eye	His: fungi	Ulcer: 5.0×4.0 mm; Hypopyon: (−); VA: CF/20 cm	26	Size: 5.0 mm; Depth: 50 𝜇m	Infection progression,; AMT at 12 days
3	M/43; LE	Botanical trauma	His: Candida	Ulcer: 4.5×4.0 mm; Hypopyon: 2 mm; VA: HM	73	Size: 4.0 mm; Depth: 75 𝜇m	Infection progression,; AMT at 18 days
4	M/44; RE	Botanical trauma	Smear: Aspergillus; His: Aspergillus	Ulcer: 7.0×7.0 mm; Hypopyon: (−); VA: HM	45	Size: 6.0 mm; Depth: 200 𝜇m	Infection progression,; CFC at 2 days
5	M/53; LE	Botanical trauma	Culture: S. aureus	Ulcer: 4.0×6.0 mm; Hypopyon: (−); VA: CF/10 cm	70	Size: 6.0 mm; Depth: 200 𝜇m	Infection progression,; CFC at 13 days
6	F/47; RE	Botanical trauma	His: Candida	Ulcer: 4.8×4.0 mm; Hypopyon: 2 mm; VA: CF/20 cm	28	Size: 5.0 mm; Depth: 200 𝜇m	Infection progression and perforation, PK at 9 days

F: female, M: male, LE: left eye, RE: right eye, y: year, d: day, VA: visual acuity, HM: hand motion, CF: count finger, CFC: flap covering, AMT: amniotic membrane transplantation, PK: penetrating keratoplasty, His: histopathology examination, S. epidermidis: Staphylococcus  epidermidis, and S. aureus: Staphylococcus  aureus.