pannus		an abnormal corneal thickening; a group of ragged fragments hanging beneath a cloud.
aniseikonia		a visual defect in which the retinal images differ in size.
syllepsis		the use of a word to perform more than one syntactic function, esp. to modify words at least one of which disagrees in number, case, etc.
anisocoria		inequality in pupillary diameter.
zeugma		the use of a verb with two subjects or objects, or of an adjective with two nouns, though it is appropriate to only one of them.
seiche		an occasional sudden variation in the water level of a lake, bay, etc., caused by wind, earthquakes, barometric fluctuations, etc.
hippus		spasmodic contractions of the pupil.
eustacy		a worldwide change in sea levels.
anacoluthon		a break in grammatical coherence.