Short Tear Breakup Time Could Exacerbate the Progression of Presbyopia in Women

Table 1

Patient demographics and ophthalmological parameters.

	Total	Women	Men	value
Number of cases	1411	1063	348
Age (y)				0.986
Spherical equivalent (D)				0.654
Astigmatic errors (D)				0.444
Anisometropia (D)				0.100
Near add power (D)				0.713
BUT (s)				<0.001
(% of )	(31.1)	(36.2)	(17.3)	(<0.001)
Corneal staining score				<0.001
Schirmer test value (mm)				0.903
Tear strip meniscometry (mm)				0.014

Women vs. men, unpaired -test. BUT: tear breakup time.