Kanamycin can be harmful to the kidneys, and these effects are increased when it is used together with other medicines that can harm the kidneys. Before using kanamycin, tell your doctor if you are also using: any other type of antibiotic; lithium (Lithobid); a diuretic (water pill); methotrexate (Rheumatrex, Trexall);
Temple size: a three-digit number in the 120 - 150 range The eye size is the most important number to pay attention to. Depending on the style of frames you choose, you can go up or down by one and still find a decent fit.
How to Read Your Eyeglass Prescription. When you look at your prescription for eyeglasses, you will see numbers listed under the headings of OS and OD. They are Latin abbreviations: OS (oculus sinister) means the left eye and OD (oculus dextrus) means the right eye. Occasionally, you will see a notation for OU, which means something involving both eyes.