scotomy

plural scotomies

1. countableobsoleteuncountabledizziness with dimness of sight

   O, sir, 'tis past the scotomy;

   c. 1605–06, Ben Jonson, “Volpone; or The Fox”, in William Gifford, editor, The Works of Ben Jonson, published 1843, act 1, scene 1, page 178

   1 more example

   I have got the scotomy in my head already.

   c. 1615–18, Philip Massinger, “The Old Law”, in William Gifford, editor, The Plays of Philip Massinger, published 1845, act 3, scene 2, page 511

2. countableobsoleteuncountableobscuration of the field of vision due to the appearance of a dark spot before the eye