OPTICS  , the See also:

• SCIENCE (Lat. scientia, from scire; to learn, know)

science of See also:

• LIGHT

light, regarded as the See also:

• MEDIUM

medium of sight (Gr . 64as) . Generally the noun is qualified by an See also:

• ADJECTIVE (from the Lat. adjectives, added)

adjective so as to delimitate the See also:

• PRINCIPAL

principal See also:

• GROUPS
• GROUPS, THEORY

groups of See also:

• OPTICAL

optical phenomena, e.g. geometrical optics, See also:

• PHYSICAL

physical optics, meteorological optics, &c . See also:

• GREEK
• GREEK, ETRUSCAN AND

Greek terminology included two adjectival forms—ra birruca, for all optical phenomena, including See also:

• VISION (from Lat. videre, to see), or SIGHT

vision and the nature of light, and i b7rrtKI (sc . Bewpia), for the See also:

• OBJECTIVE, or OBJECT GLASS

objective study of light, i.e. the nature of light itself and the theory of vision . See LIGHT and VISION .