Table 2.

Participant demographics across review studies (experimental)

Mean age	Gender	Nationality (ethnicity)	Vision impairments
51 years	40 Females 40 Males	Chinese	Diabetic retinopathy
55.8 years	17 Females 14 Males	German	Open angle glaucoma
17 years	Female	American	Blind
5 years	1 Female 5 Males	American	Blindness ranging from: one prosthetic eye, bilateral retinoblastoma nystagmus, cortical visual impairment