【医】 nephelopia
【医】 maculae corneae; opacitas corneae
eyesight; seeing; sight; view; vision
【医】 opto-; sisht; vision; visus
barrier; handicap; obstruction; balk; clog; hedge; hindrance; hurdle
【化】 trouble
【医】 allo-; disorder; disturbance; dys
【经】 hurdle