Optical Quality Assessment in Patients with Unilateral Congenital Ptosis: A Matched Case-Control Study

Table 5

The correlation between the OQAS parameters and VFH.

	VFH
	Coefficient r	value
OSI	0.134	0.633^d
MTF	−0.097	0.730^c
SR	−0.172	0.539^c
OV100%	−0.087	0.757^c
OV20%	−0.109	0.698^c
OV9%	−0.026	0.925^c

c: Pearson’s correlation; d: Spearman’s correlation; statistical significance ; VFH: vertical fissure height; MTF: modulation transfer function; SR: Strehl ratio; OSI : objective scatter index; OV: Optical Quality Analysis System Value.