OD: right eye OS: left eye OU: both eyes CC: with correction SC: without correction BCVA: best-corrected visual acuity NVA: near visual acuity PH: pinhole. OD: right eye OS: left eye OU: both eyes CC: with correction SC: without correction BCVA: best-corrected visual acuity NVA: near visual acuity PH: pinhole. My name is Dr. I am an Optometrist at the Tayani Institute. Feel free to come back anytime for more ocular health information. used to describe a patient's ability to see only light. Distribution or use of material in whole or in part outside of the CCOA® Program is ion of Optometrists. For example, if the patient's visual acuity is 20/100 then the smallest line they correctly read at 20 feet could be read by a person with normal vision at 100 feet. The Snellen chart – consisting. Technical reference information on common optical system symbols and abbreviations.
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