Valley Eye Clinic - Did you know that on a glasses prescription: "OD" stands for "Oculus Dexter" (right eye) "OS" stands for "Oculus Sinister" (left eye) Both eyes together is "OU"--"Oculus Uterque".
![TIL the Latin name for the left eye is "Oculus Sinister". Eyeglass prescriptions are abbreviated OD (oculus dextrus) and OS (oculus sinister). : r/todayilearned TIL the Latin name for the left eye is "Oculus Sinister". Eyeglass prescriptions are abbreviated OD (oculus dextrus) and OS (oculus sinister). : r/todayilearned](https://external-preview.redd.it/KgzhjB9v77fqvkYX33kctYR8ULQEt0voYPkzsBMR2rQ.jpg?auto=webp&s=90b7b6d754b0b48963ad30a8327011738d5307c0)
TIL the Latin name for the left eye is "Oculus Sinister". Eyeglass prescriptions are abbreviated OD (oculus dextrus) and OS (oculus sinister). : r/todayilearned
![Oculus Dexter vs Oculus Sinister: Why are these important when reading eyeglasses prescription - Asia Times Oculus Dexter vs Oculus Sinister: Why are these important when reading eyeglasses prescription - Asia Times](https://i0.wp.com/asiatimes.com/wp-content/uploads/2019/06/glasses02.png?fit=1004%2C664&ssl=1)