a transparent optical device used to converge or diverge transmitted light and to form images

genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils

(metaphor) a channel through which something can be seen or understood

biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina

electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons

cap used to keep lens free of dust when not in use

a tenuous mesoblastic membrane surrounding the lens of the eye

the tissue that surrounds the lens nucleus

cap used to keep lens free of dust when not in use

widely cultivated Eurasian annual herb grown for its edible flattened seeds that are cooked like peas and also ground into meal and for its leafy stalks that are used as fodder

a tubular attachment used to keep stray light out of the lens of a camera

a clear plastic lens that is implanted in the eye; usually done when the natural lens has been removed in a cataract operation

a worker who makes glasses for remedying defects of vision

the central structure of the lens that is surrounded by the cortex

biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina

a transparent optical device used to converge or diverge transmitted light and to form images

a transparent optical device used to converge or diverge transmitted light and to form images

someone who takes photographs professionally