Table 1.

The health status classification and baseline visual acuity distribution.

	Age-related macular degeneration		Diabetic macular edema		Pathological myopia
No visual impairment	BCVA > 78	/	BCVA > 75	/	BCVA > 75	/
Slight visual impairment	68 < BCVA ≤ 78	11.11%	-	-	-	-
Mild visual impairment	53 < BCVA ≤ 68	38.27%	60 < BCVA ≤ 75	43.6%	60 < BCVA ≤ 75	29.38%
Moderate visual impairment	33 < BCVA ≤ 53	32.10%	45 < BCVA ≤ 60	41.9%	45 < BCVA ≤ 60	44.63%
Severe visual impairment	18 < BCVA ≤ 33	17.28%	30 < BCVA ≤ 45	11.7%	30 < BCVA ≤ 45	20.34%
Blindness	BCVA ≤ 18	1.23%	BCVA ≤ 30	2.8%	BCVA ≤ 30	5.65%
Reference	the PHOENIX study		the SAILING study		the SHINY study