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Health care
Of or pertaining to the prevention and treatment of illness, and the preservation of physical and mental well-being, through the services provided by medical professionals.
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Add a new termContributors in Health care
Health care > Optometry 
effective power
Eyewear; Optometry
Dioptric power of the lens required at an altered vertex distance.
edging machine
Eyewear; Optometry
Machinery profiling (edging) spectacle lenses designed for insertion into spectacle frames.
distance portion curve
Eyewear; Optometry
Curvature of the distance portion of the segment side or progressive side, expressed as a surface power.
distance dependent ophthalmometer
Eyewear; Optometry
Ophthalmometer in which the result of measurement is influenced by the distance between the instrument and the surface to be measured.
distance portion
Eyewear; Optometry
That portion of a multifocal or progressive power-lens having the dioptric power for distance vision.
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