Cause fixed dilated pupil2/28/2024 Here are some of the most common ones: Medications There's a wide variety of things that can cause dilated pupils. Anisocoria is benign and affects about 20 percent of the population. Check with your pharmacist when you need to discard the medication.A large pupil that is completely unresponsive to light is called a "fixed" dilated pupil.ĭilated pupils aren't the same as anisocoria, which is a common condition where both pupils react normally to light but differ in size by about a half millimetre or more. Other single-dose preparations are discarded after single use. ![]() Some need to be stored in a fridge and some need to be thrown away after one week. ![]() Most eye drops/ointments can be stored at room temperature and should be thrown away four weeks after you open them. If your child experiences symptoms that you think could be due to the drops, contact your pharmacist or doctor. This can occur when small amounts of the medicine are absorbed into the body from the eyes. Very rarely, these drops or ointments can cause a rapid heart beat, dry mouth, high temperature, constipation, or difficulty in passing urine. Occasionally, the drops can cause a sore red eye or eyelids. The eyes might also be more sensitive to bright light. Blurred vision can last for hours or even days depending on the type of eye drop. These drops can cause temporary stinging and blurred vision. Check with the pharmacist that the eye drops or ointment are safe to use with contact lenses. Wait for 15 minutes before putting the contact lenses back in the eye. You need to take care not to touch the eye with the end of the tube.Ĭontact lenses: should be removed before putting in eye drops. If you need to give more than one type of eye drop, leave at least five minutes between applying each type of medicine.Įye ointment: Pull down the lower lid and squeeze about 1/2 a centimetre (1/4 of an inch) of ointment into each eye. The effects of Atropine and Homatropine last longer, so they are usually used once or twice a day.īefore giving either drops or ointment, it is important to wash and dry your hands.Įye drops: You only need to place one drop in the eye. They are used one to four times a day at home. ![]() Mydriacyl® (Tropicamide), Mydrilate® (Cyclopentolate) and Phenylephrine work for a few hours. They can also be used to help treat amblyopia (‘lazy’ eye). Dilating the pupil can also help to reduce inflammation and discomfort in the eye after surgery or injury, or treat inflammation which occurs in certain conditions. These drops help the doctor examine the back of the eye. Tell the pharmacist and doctor if your child is allergic to any medication or if your child has high blood pressure or a heart condition. What should I tell the pharmacist or doctor? These medicines also relax the focusing muscles of the eye, which means that most children will also experience blurred vision. These eye drops or ointments relax the muscles of the eye so as to widen (dilate) the pupil, which is the central black area in the middle of the iris, the coloured part of the eye. ![]() Pupil-dilating eye drops / ointments (‘Mydriatics’)Įxamples: Atropine, Mydrilate® (Cyclopentolate), Homatropine, Mydriacyl® (Tropicamide), Phenylephrine
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