PLÁCIDO'S DISK


Meaning of PLÁCIDO'S DISK in English

/plah"si dohz'/ , Ophthalm.

a device marked with concentric black rings, used to detect corneal irregularities.

[ after A. Plácido da Costa (1848-1916), Portuguese ophthalmologist, who devised it ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .