spectacle


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spectacle

a round lens. Snakes lack movable eyelids and their corneas are protected by a transparent spectacle which is shed and renewed at each ecdysis. See also subspectacle.

spectacle retention
a common problem in snakes; caused by lack of abrasive materials for the snake to rub against during the molting period.
References in classic literature ?
Ah, yes indeed, yes indeed," replied the professor softly, and adjusting his spectacles once more he read aloud:
My aunt put on her spectacles twice or thrice, to take another look at me, but as often took them off again, disappointed, and rubbed her nose with them.
In a pause of the conversation the wearer of the prodigious spectacles looked round upon the party, making each individual, in turn, the object of the sneer which invariably dwelt upon his countenance.
The Cynic, having cast aside his spectacles, wandered about the world, a miserable object, and was punished with an agonizing desire of light, for the wilful blindness of his former life.
That's a thing never happened to me before," he observed, "to go out o' the door with my spectacles on.
He opened the big box, and Dorothy saw that it was filled with spectacles of every size and shape.
They were both somewhat short-sighted, and when it was the custom to wear a single eyeglass and string they wore a single eyeglass and string; when it was the custom to wear a double glass they wore a double glass; when it was the custom to wear spectacles they wore spectacles straightway, all without reference to the particular variety of defect in their own vision.
The Patriarch of Jerusalem stood under them in the old days of chivalry and romance, and preached the third Crusade, more than six hundred years ago; and since that day they have stood there and looked quietly down upon the most thrilling scenes, the grandest pageants, the most extraordinary spectacles that have grieved or delighted Paris.
His eyes were blue and round too, he wore large gold-rimmed spectacles, and his eyebrows were so fair that you could not see them.
He put on his spectacles to read the letter, pursing up his lips and drawing down their corners.
He was clothed all in green and wore a high, peaked green hat upon his head and green spectacles over his eyes.
In buying spectacles the needless outlay for the right lens soon reduced him to poverty, and the Man to Whom Time Was Money had to sustain life by fishing from the end of a wharf.