Table 1. Demographic Data (N = 36)^a.

Variables	2% Lidocaine Gel	0.5% Tetracaine Eye Drop
Age, y	58.39 ± 8.84	58.61 ± 8.90
Sex
Male	21 (58.3)	16 (44.4)
Female	15 (41.7)	20 (55.6%)
Education
Low-middle	30 (83.3)	32 (88.9)
High	6 (16.7)	4 (11.1)

^aValues are expressed as mean ± S or No. (%).