| visual acuity |
Degree of sharpness of vision.
출처: www12.mawebcenters.com/coltslaboratories/gloss.ivn...
|
|---|---|
| visual axis |
An imaginary line drawn form the object of regard through the nodal point of the eye to the fovea centralis, or point of keenest retinal acuity.
출처: www12.mawebcenters.com/coltslaboratories/gloss.ivn...
|
| visual acuity |
Clarity of vision. Acuity is measured as a fraction of normal vision. 20/20 vision indicates an eye that sees at 20 feet what a normal eye should see at 20 feet; 20/400 vision indicates an eye that sees at 20 feet what a normal eye sees at 400 feet.
출처: www.nationalmssociety.org/S%20-%20Z.asp
|
| visual field |
Portion of space extending in all directions that can be seen by one eye without changing its position.
출처: www.ucsfhealth.org/adult/medical_services/neuro/ms...
|
| visual acuity |
Assessment of the eye's ability to distinguish object details and shape, using the smallest identifiable object that can be seen at a specified distance (usually 20 ft. or 16 in.).
출처: www.eyeglossary.net/
|