- During assessment of distance vision, the patient should stand 20′ (6.1 m) from the chart.
- For a geriatric patient or one who is extremely ill, the ideal room temperature is 66° to 76° F (18.8° to 24.4° C).
- For a geriatric patient or one who is extremely ill, the ideal room temperature is 66° to 76° F (18.8° to 24.4° C).