Table 2.

Region of Interests (RSI) and Corresponding Conditions for Investigation of VA Differences to the Participants’ Personal Maximum VA Within These RSI

Region of Interest	Conditions
1 (high contrast, low luminance)	Weber contrasts ≥50% (66%, 82%, and 95%)
	Luminances 0, 30, and 320 cd/m²
2 (low contrast, low luminance)	Weber contrasts <50% (18%, 33%, and 46%)
	Luminances 0, 30, and 320 cd/m²
3 (high contrast, medium luminance)	Weber contrasts ≥50% (66%, 82%, and 95%)
	Luminances 320, 1000, and 3000 cd/m²
4 (low contrast, medium luminance)	Weber contrasts <50% (18%, 33%, and 46%)
	Luminances 320, 1000, and 3000 cd/m²
5 (high contrast, high luminance)	Weber contrasts ≥50% (66%, 82%, and 95%)
	Luminances 3000, 5000, 8000, and 10,000 cd/m²
6 (low contrast, high luminance)	Weber contrasts <50% (18%, 33%, and 46%)
	Luminances 3000, 5000, 8000, and 10,000 cd/m²