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Find details of our Highlands and Islands service and our Home Eye Tests service.
Your pupil is the gap in the centre of your iris through which light enters the eye.
Normally circular, the surrounding muscular ring, the iris, contracts and relaxes to change the size of the pupil in various light conditions and emotional states.
You should seek professional advice if you are concerned about your eye health.
Speak to one of our qualified optometrists or audiologists