Table 1.

Summary of Phototherapeutic Keratectomy Cases, including diagnosis, laser procedure type, and pre-and postoperative visual acuities and refractions.

Case	Eye	Diagnosis	Laser Procedure Type	Preoperative CDVA	Postoperative CDVA	Preoperative Refraction	Postoperative Refraction (D)
1	OS	Scar	PTK/PRK(M &A) +MMC	20/40	20/15	−2.75/−1.25 × 178	+0.5/−0.5 × 160
2	OD	Scar	PTK/PRK(M&A) +MMC	20/30	20/30	−1.25/−1.5 × 101	−0.25/ −0.5 × 132
3	OD	Granular dystrophy	PTK/PRK (H) +MMC	20/30	20/20	+2.0/−1.0 × 137	+2.25 DS
4	OD	Scar	PTK/PRK (M&A)+MMC	20/30	20/20	−8.5/−0.25 × 55	+0.75/−1.5 × 181*
5	OD	Reiss Buckler	PTK/PRK(M, H&A)+MMC	20/80	20/40	−1.25/−1.25 × 180	+6.5/−2.0 × 180*
5	OS	Reiss Buckler	PTK/PRK (M,&H&A)	20/80	20/40	−4.5 DS	+5.0/ −1.75 × 180
6	OS	Granular dystrophy	PTK/PRK(M&A)	20/50	20/25	−0.75/ −2.25 × 10	+3.0/−2.25 × 10
7	OD	Scar	PTK/PRK(M&A)+MMC	20/40	20/60	plano/−4.0 × 133	plano/−1.0 × 115
8	OD	Scar	PTK/PRK(M&A)+MMC	20/60	20/30	−1.5/ −1.0 × 175	+1.75/−0.5 × 175

M= Myopic PRK ablation, H= Hyperopic PRK ablation, A= Astigmatic PRK ablation, MMC= Mitomycin-C.

^*Final postoperative refraction following PTK retreatment.