Skip to content

Tag: Mydriatic

Explore our medication guides and pharmacology articles within this category.

Which is the shortest acting mydriatic? A comparison of dilating eye drops

5 min read
During an eye exam, optometrists use dilating drops to get a clearer view of the internal eye structures, but not all mydriatic agents have the same duration. A key consideration for both patients and clinicians is **which is the shortest acting mydriatic**, as this minimizes the patient's downtime and light sensitivity.

What is the difference between mydriatic and miotic?

5 min read
An estimated 30,000 legal blindness cases occur annually in the US due to conditions like uveitis, underscoring the importance of eye health and medication. Essential to ophthalmology, the core question is, **what is the difference between mydriatic and miotic?** The distinction lies in their opposing effects on the pupil: mydriatic drugs cause dilation, while miotic drugs cause constriction.

Is Phenylephrine a Cycloplegic? Understanding Its True Pharmacological Role

5 min read
Phenylephrine hydrochloride has been used for over 70 years to dilate the pupil for various ocular procedures [1.2.2]. This widespread use often leads to a critical question: Is phenylephrine a cycloplegic? The definitive answer is no; phenylephrine is a mydriatic agent that produces pupil dilation without inducing cycloplegia [1.2.1, 1.2.4].

What Eye Drops Relax Eye Muscles? A Guide to Cycloplegics and Mydriatics

4 min read
With nearly 60% of Americans using digital devices for five or more hours daily, many seek relief for eye strain [1.11.1]. However, understanding what eye drops relax eye muscles involves looking at powerful, prescription-only medications used for diagnostic and therapeutic purposes, not just over-the-counter relief.