Eye irritation and reddening, headache, and pain in the brow are also known side effects.ĭilating drops can be absorbed systemically and cause side effects outside the eye. The common side effects of pupil dilation are light sensitivity and blurred vision.
Drops that are strictly mydriatics with no cycloplegic drug added like phenylephrine, dilate the eye for several hours. This effect only lasts for a minute or two, according to the Mayo Clinic. In some cases, the eyes may experience stinging and burning after application. Dilating drops stimulate contraction of the muscles that enlarge the pupil. Like any medication, dilating drops can cause minor to moderate side effects. Cycloplegics should not be given to people with this condition as they cause a loss of accommodation in the eye, or the changing of the curvature of the lens to see objects in close proximity. Cycloplegics can cause a severe rise in intraocular pressure in people with glaucoma, which is fluid buildup in the iris.
Eyes may begin watering or become red, and the eyelids may swell. Once atropine is administered, the pupil may stay dilated for up to two weeks, according to the Mayo Clinic. Atropine is an example of a cycloplegic drug that has long-lasting effects. They paralyze the ciliary muscles of the eye, keeping the pupil wide open for longer periods. Today, we will tackle the aftereffects of leaving them untreated.Ĭycloplegic drugs are muscarinic receptor blockers. In a previous article, we discussed the causes of abnormally dilated pupils. Medically, this condition is known as mydriasis.
If the pupils are dilated due to an abnormal response, they may remain widened even in the presence of sunlight or intense light. Dilation, otherwise known as the widening of the pupils of the eyes, is normal in conditions of low light to allow light to reach the retina, enabling the eyes to adjust and see clearly in dim environments.
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