Evaluation of the Lower Punctum Parameters and Morphology Using Spectral Domain Anterior Segment Optical Coherence Tomography

Table 1

Punctal and tear meniscus parameters in both eyes of the examined group.

Parameter	Rt		Lt		value
	Mean (um)	±SD	Mean (um)	±SD
Clinical measurement	496.45	105.207	492.68	93.945	0.365
Outer diameter	424.65	170.546	404.25	159.139	0.416
Inner diameter	234.35	144.375	238.80	134.416	0.819
Depth	250.44	109.880	249.56	142.599	0.965
TMH	286.13	176.631	295.90	194.949	0.091
TMA (mm^2)	0.04201	0.056719	0.05393	0.181726	0.070