dioptric

noun 0.850

optics

noun 0.719

diopter

noun 0.673

photonics

noun 0.578

optometry

noun 0.566

optical

noun 0.558

ophthalmology

noun 0.554

optoelectronics

noun 0.553

adaptive optics

noun 0.547

optical astronomy

noun 0.542

optic

noun 0.535

ophthalmoscopy

noun 0.529

photometry

noun 0.523

theoretics

noun 0.515

nanophotonics

noun 0.514

emmetropia

noun 0.514

optical power

noun 0.512

biophotonics

noun 0.509

refractometry

noun 0.508

optician

noun 0.505

refractive power

noun 0.502

diffractometry

noun 0.501

fibre optics

noun 0.500

diagnosticity

noun 0.500