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When did you first notice the dilated pupil?
Did she undergo an eye exam recently? Were dilating drops put in her eyes?
If not, does she remember having an injury or trauma to that eye recently?
she has had it for a about two months, the right pupil is always bigger than the left, it gets particularly large after she has been rubbing it and it take a long time to subside.
She has been riding for many years and has fallen off the horse several time but always wears a helmet and non of the falls have been particularly violent and she has never landed head first.
she has also been taking 3 L-Lysine tablets every night for the past couple of months, would contribute ?
we are going to have her eyes tested today.