Table 3 Visual acuity and definitions of visual impairment.26,40Reproduced with permission from Fiske et al., Special Care Dentistry: Quintessentials of Dental Practice, Quintessence Publishing, 200940
From: Dental management of patients with sensory impairments
Visual acuity | Visual impairment |
|---|---|
VA 6/12 to >6/18 | Patient may not be able to drive; may have difficulty reading small print, even with glasses |
VA 6/18 to >3/60 | Patient is partially sighted and has a severe sight problem; can only read the top letter of the eye chart from ≤6 m |
VA <3/60 | Patient is legally blind; can only read the top letter of the eye chart from ≤3 m |
