Table 1.

Demographic characteristics of the study participants

Variable	Participants’ results
Subjects (n)	38
Sex (male/female)	19/19
Eyes (R/L)	38 (21/17)
Age (years)*	64.1 ± 12.6 (range: 33–84)
RE (D)*	−1.28 ± 2.94 (range: −8.00 to 3.25)
MD (dB)*	−5.22 ± 4.07 (range: −14.39 to 1.15)
CCT (μm)*	543.4 ± 38.0 (range: 474–621)

Note:

^*Value is presented as the mean plus or minus the standard deviation.

Abbreviations: R, right; L, left; RE, refractive error; MD, mean deviation; CCT, central corneal thickness.