Part of the eye (4)

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">part of the eye</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for iris that I've seen before include "Circular coloured membrane in the eye" , "Flower and eye membrane" , "Woman" , "Eye diaphragm" , "bloomer?" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">part of the eye</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lens that I've seen before include "Optical device using light to form images" , "Piece of glass, usually curved" , "Camera component" , "Refracting device" , "feature of camera" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">part of the eye</span>' is the definition.<br/ ><span class="explanation-format__explanation">('cone' is part of 'eye')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cone that I've seen before include "Road works marker" , "Solid figure" , "Road furniture!" , "it may hold ice-cream" , "Portable marker for lines on road" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">part of the eye</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for uvea that I've seen before include "bit of a looker" , "The pigmented layer of the eye" , "part of eye be seen" , "Part of the eyeball which houses the iris" , "bit of mince pie!" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">part of the eye</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for retina that I've seen before include "Light-sensitive membrane in the eye" , "part of the water pump" , "Eye's membrane" , "Light-sensitive eye lining" , "Membrane that can become detached" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">part of the eye</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for cornea that I've seen before include "Transparent part of the eye" , "Transparent outer covering of eyeball" , "bit of a looker" , "Body part" , "Eyeball membrane" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">part of the eye</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for pupil that I've seen before include "A student at school or eye part" , "Scholar" , "One being taught" , "Learner at educational institution" , "one may see through!" .)