Which<br/>of the following statement are true about visual acuity? A: It<br/>is the function of central vision B: It<br/>is the function of peripheral vision C: It<br/>doesn’t need the response from the patients D: The<br/>near visual acuity and distant visual acuity are measured<br/>separately.

Which one is not a visual aid used in a scientific poster? () A: A flowchart B: A pie chart C: A picture D: A paragraph

If the abnormality in the visual acuity is improved with pinhole test then most likely cause of decrease visual acuity is A: cataract B: Glaucoma C: Corneal opacity D: refractive error E: all of the above

The overcorrection of visual acuity refers to insufficient corneal flattening, which limits the improvement of uncorrected visual acuity and needs to wear frame spectacles as a supplement during the day.

The overcorrection of visual acuity refers to insufficient corneal flattening, which limits the improvement of uncorrected visual acuity and needs to wear frame spectacles as a supplement during the day. A: 正确 B: 错误