Refraction
Refractive index
Refractive error
Refracting telescope
Great refractor
Refractive surgery
Atmospheric refraction
High-refractive-index polymer
Journal of Refractive Surgery
Subjective refraction
Greenwich 28-inch refractor
Refraction (sound)
List of refractive indices
Refraction – Breakin' Glass
Refraction microtremor
List of largest optical refracting telescopes
Anomalous propagation
Conical refraction
American Society of Cataract and Refractive Surgery
Phoropter
Negative refraction
Autorefractor
German Society of Cataract and Refractive Surgery
Seismic refraction
Snell's law
Clear lens extraction
Refractor card
Opticks
James Lick telescope
Meudon Great Refractor
Levelling refraction
Huygens principle of double refraction
Negative-index metamaterial
Refractive index profile
Total refraction
Potsdam Great Refractor
Action-Refraction
Light Refracted
Differential refractometer
Molar refractivity
Optical power
Refraction networking
Refractive index contrast
Birefringence
The Institute of Optometry
Eye examination
Looming and similar refraction phenomena
Power-law index profile
Compound refractive lens
Astigmatism
Yerkes Observatory
Index-matching material
Oil immersion
Graded-index fiber
Jon Finn
Achromatic telescope
Newall Telescope
Super Refraction
Matched index of refraction flow facility
Seismic wide-angle reflection and refraction
Augustin-Jean Fresnel
Ron Link (patient advocate)
Orthokeratology
Electron-refractive effect
History of optics
Metarranthis refractaria
Fresnel equations
Magneto-ionic double refraction
Ray (optics)
Amblyopia
Wave shoaling
Eye surgery
Chromatography detector
Voigt effect
Refractive index and extinction coefficient of thin film materials
DICE (company)
Atmosphere of Earth
Visible spectrum
Refractory metals
List of Medknow Publications academic journals
Bates Motel season 4
Game engine
Runaways (TV series)