Unilateral congenital nasolacrimal duct obstruction and amblyopia risk factors

Figures & data

Table 2 Refractive errors with amblyogenic potential

Serial number	Age in months	Refractive error
		CNLDO eye	Fellow eye
1	72	+4DS/−3.75DC@10	+2.0DS/−0.75@180
2	72	+4DS/−3.75DC@180	+2.0DS/−0.75@180
3	60	+2.5DS/−2DC@180	+0.75
4	48	+1.25DS/−2DC@40	−1.5DS
5	70	+3.25DS	+1.25DS

Abbreviation: CNLDO, congenital nasolacrimal duct obstruction.

Table 1 Ocular parameters

Parameter	Median (IQR)	Range
LogMAR OD	0.3 (0.09, 0.64)	0–0.95
LogMAR OS	0.3 (0, 0.64)	0–0.95
SE OD	1.25 (0.25, 1.5)	−1.75 to 4
SE OS	1 (0.25, 1.5)	−1.75 to 4
Axial length OD	21.24 (20.65, 21.79)	17.92–22.89
Axial length OS	21.20 (20.6, 21.76)	17.9–23.8
Average keratometry OD	43 (42.13, 45.2)	39–49.25
Average keratometry OS	42.71 (42.37, 43.75)	40.25–47.36

Abbreviations: OD, oculus dexter; OS, oculus sinister; IQR, interquartile range.