Red Eye tool - a square eye?

[GlennPA]

I used the red eye tool for the first time today. Why is the selector tool for the red eye square instead of round? I have never seen a square eye. Since all of the red eye areas are round, wouldn't a selector that draws a circle instead of a square be better?

[Bobm03]

Sometimes, a picture is worth a thousand words

Click on the Panel button and the Tool Brush Settings show up.
The default setting for the brush is square, but is easily changed to a circle,

Change the size and softness of the brush as required.