\begin{tikzpicture}

%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% My Customized Styles
%%

[scale=0.75]
\def\topedge{(-3,0) .. controls (-2,1.8) and (2,2) .. (2.3,.3)}
\def\bottomedge{(2.3,.3) .. controls (2,-2.2) and (-2,-1.2) .. (-3,0)}
\def\eyepath{\topedge -- \bottomedge --cycle;}
\clip\eyepath;

%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% Drawing
%%

% Iris
\filldraw[color=orange!30!black] (-.2,.2) circle (1.4);

% Shadow on iris
\filldraw[color=orange!40!black] (-.3,-.1) circle (1.1);

% Iris lines
\foreach \a in {0,5,...,360}{
    \pgfmathparse{25+28*rnd}
    \fill[
        orange!\pgfmathresult!black,
        decoration={
            random steps,
            segment length=1pt,
            amplitude=0.3pt
        },
        decorate,
        line width=0.3pt
    ] (-.2,.2) -- ++($(\a+2*rnd:.8+0.3*rnd)$) -- ++(\a+90:3pt) -- cycle;
}

% Pupil
\fill[color=black] (-.2,.2) circle (0.5);

% Sun reflection
\fill[color=white] (90:.8) {[rotate=-30] circle (0.2 and 0.12)};

% Shadow of the eyelid
\draw[line width=2.5mm, draw opacity=0.1, line cap=round]\topedge;

% Eyelids
\draw[line width=1mm, red!40!white!80!black, line cap=round]\bottomedge;
\draw[line width=1.2mm, red!40!white!60!black, line cap=round]\topedge;

% Lacrimal
\fill[red!40!white!80!black] (-2.8,0) circle (.25);
\fill[white] (-2.7,.1) circle (.03);

%%
%%
%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\end{tikzpicture}

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