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Tropicamide, sold under the brand name Mydriacyl among others, is a medication used to dilate the pupil and help with examination of the eye. [3] Specifically it is used to help examine the back of the eye. [4] It is applied as eye drops. [3] Effects occur within 40 minutes and last for up to a day. [3]
Cyclopentolate drops act rapidly to dilate the pupil. [5] The side and adverse effects of cyclopentolate are similar to the side and adverse effects of other anticholinergic medications. Because of that, extra caution should be taken when prescribing cyclopentolate to patients who are already taking other anticholinergic drugs.
Onset of effects with the drops is typically within an hour and lasts for up to a day. [1] By mouth it is used for dry mouth as a result of Sjögren syndrome or radiation therapy. [9] Common side effects of the eye drops include irritation of the eye, increased tearing, headache, and blurry vision. [1]
The most important factor that must be taken into account when designing any type of drug delivery device, and specifically ocular devices, is the release rate of a drug. As discussed previously, the deliver rate and kinetics associated with drugs to the eye can reach levels that are toxic to the eye or could even cause undesirable side effects.
Side effects may include allergic reactions, eye pain, and dilated pupils. [2] [4] [3] It is unclear if use in pregnancy is safe. [1] Nephazoline works by resulting in constriction of blood vessels thus decreasing redness while pheniramine works by blocking the effects of histamine to stop itching. [1]
The most common side effect is conjunctival hyperaemia (increased bloodflow in the outer layer of the eye), which occurs in over 10% of people taking the drug. Side effects in less than 10% of people include other eye problems such as itching, foreign body sensation or dry eye, as headache or hyperpigmentation (darkening) of the skin around the eye.
A few months ago, we looked into Ozempic face, a phenomenon that happens when a decrease in fat creates hollowness in the eyes, cheek area and temples, creating a more skeletal and aged appearance ...
Hydroxyamphetamine is used in eye drops to dilate the pupil (a process called mydriasis) so that the back of the eye can be examined. This is a diagnostic test for Horner's syndrome . Patients with Horner's syndrome exhibit anisocoria brought about by lesions on the nerves that connect to the nasociliary branch of the ophthalmic nerve . [ 7 ]