Other Fish High in Selenium (%DV per 3 oz cooked): Rockfish (93%), Swordfish (83%), Halibut (67%), Tilapia (66%), Mackerel (63%), and Snapper (60%).
Eyeglass prescription. Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist or ophthalmologist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.
2. (Medicine) (modifier) (of drugs) available legally only with a doctor's prescription. 3. (Medicine) a. written instructions from an optician specifying the lenses needed to correct defects of vision. b. (as modifier): prescription glasses.