SIGHT

Jack's Reference Book for Home and Office : An Encyclopaedia of General Information: Medical Dictionary · 1909 · p. 4

Sisto we are able to focus for near or t of the excreta. Caro must be taken that | distant objects with equal facility until middle ago is; dryne be secured, which is best done by ee reached, when most people require spectacles to enable @ dusting powder, such as starch and zine oxide in equ them to sce clearly emall objects at a short distance. Such 2nD 2 7:; [s. 408]