optic axis lietuviškai

Paaiškinimas anglų kalba

• a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted "in a normal eye the optic axis is the direction in which objects are seen most distinctly"
• in a doubly refracting crystal, the line in the direction of which no double refraction occurs "a crystal may have either one or two optic axes"