Table 1.

Preoperative Baseline Characteristics for Eyes That Underwent Conventional Bioptics and Reverse Bioptics

	Conventional Bioptics	Reverse Bioptics	P value
Number of eyes (patients)	87 (49)	13 (7)	–
M/F (eyes)	41:46	4:8	–
PRK/LASIK (eyes)	61:26	2:11	–
Mean age (range) (y)	33.1 (21 to 56)	33.7 (21 to 45)	0.82
Time between procedures (month)*	3.8 ± 2.1 (1 to 10)	2.67 ± 2.1 (1 to 7)	0.07
UDVA*	1.56 ± 0.32 (1.00 to 3.00)	1.56 ± 0.12 (1.48 to 1.90)	0.97
CDVA*	0.03 ± 0.09 (0.00 to +0.40)	0.11 ± 0.10 (0.00 to +0.30)	<0.01*
SEQ (D)*	−11.12 ± 3.39 (−19.88 to −3.38)	−12.42 ± 1.81 (−15.38 to −9.13)	< 0.01*
Refractive cylinder (D)*	−2.49 ± 1.16 (−6.00 to −0.50)	−3.88 ± 1.43 (−6.75 to −2.00)	< 0.01*

Notes: Visual acuity reported as LogMAR. *Values reported as mean ± SD (range). Monovision eyes were excluded from UDVA analysis.

Abbreviations: UDVA, uncorrected distance visual acuity; CDVA, corrected distance visual acuity; SEQ, spherical equivalent refraction.