External stimuli, action of, [307].

Eye, [370]-[391].

Eyeball, [373].
Chambers of, [377].
Focusing power of, [378].
Movements of, [381].

Eyelids, [373].

Eyes,
Care of, [386].
Removal of foreign bodies from, [387],
Strong chemicals in, [388].

Eye strain, [211].
And disease, [385].

Fat, [30], [149], [162].
Digestion of, [156].
Emulsification of, [157].
Purpose served by, [121].
Route taken by, [175].
Tests for, [137].
Where stored, [178].

Fatty acid, [156].

Fenestra ovalis, [361].

Fenestra rotunda, [363].