rBAT - retraction
- refractable
- refracted light
- refracted ray
- refractile
- refracting angle
- refracting media
- Refraction
- refraction point
- refractionist
- refractionometer
- refractive
- refractive ametropia
- refractive error
- refractive index
- refractive keratoplasty
- refractive surgery
- refractivity
- refractometer
- refractometry
- refractor
