Long-Term Natural Course of Pathologic Myopia in Chinese Patients

Table 2

Comparison of visual acuity (UCVA and BCVA separately) of children at different ages between the first and last visits.

Grouping by age (yrs)	<4 ()	≥4 and <7 ()	≥7 and <10 ()	≥10 ()
Follow-up periods (yrs)	3.23 ± 0.90	3.91 ± 1.06	5.20 ± 1.53	3.74 ± 1.84
value for UCVA	0.0063	0.0465	0.0404	0.0202
value for BCVA	0.0284	0.0076	0.5733	0.5292

: number of eyes; yrs: years; UCVA: the uncorrected visual acuity; BCVA: best-corrected visual acuity.