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  1. REFRACTIVE Definition & Meaning - Merriam-Webster

    The meaning of REFRACTIVE is having power to refract. How to use refractive in a sentence.

  2. What is a Refraction Test and Why Won’t Medicare Cover It?

    Refraction tests are done to diagnose refractive errors and also to determine if you need a new lens prescription. Refraction tests are typically associated with annual eye exams. Original Medicare does …

  3. Refraction - Wikipedia

    The refractive index of air depends on the air density and thus vary with air temperature and pressure. Since the pressure is lower at higher altitudes, the refractive index is also lower, causing light rays to …

  4. RefractiveIndex.INFO - Refractive index database

    Silicon dioxide (SiO 2), commonly known as silica, is found naturally in several crystalline forms, the most notable being quartz. Additionally, when silicon dioxide is manufactured without the crystalline …

  5. REFRACTIVE | definition in the Cambridge English Dictionary

    Light is composed of rays with different refractive properties. The rays fall on the lens, and are bent by the refractive power of the glass. Powerful lenses are needed to correct severe refractive errors. We …

  6. Refractive - definition of refractive by The Free Dictionary

    The deflection of a wave, such as a light or sound wave, when it passes obliquely from one medium into another having a different index of refraction. 2. Astronomy The apparent change in position of a …

  7. REFRACTIVE Definition & Meaning | Dictionary.com

    Refractive definition: of or relating to refraction.. See examples of REFRACTIVE used in a sentence.

  8. Diseases & Conditions - American Academy of Ophthalmology

    Access patient education information about common eye diseases and conditions, reviewed by ophthalmologists.

  9. refractive, adj. meanings, etymology and more | Oxford English …

    refractive, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

  10. Refractive Errors - National Eye Institute

    Jul 17, 2012 · Refractive errors are a type of vision problem that make it hard to see clearly. They happen when the shape of your eye keeps light from focusing correctly on your retina. Read about …