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How Long Should Pupils Stay Dilated After Eye Exam
An eye exam consists of checking the vision. If this is not normal a manifest refraction is done to determine if any glasses are needed. This is the test where the patient is asked which lens is better number one or two. Then the health of the eye is evaluated with a microscope called a slit lamp. To be able to see the back of the eye, the retina, ...Read more
Usually 6-8 hours: It depends on what type of drops are used. Phenylephrine and tropicamide are probably the most commonly used at the optometrist or ophthalmologist's office and they last about 6-8 hours in the average person, although they can last a bit longer. Other drops like cyclopentolate last up to 24 hours and Atropine can last for 14 days. ...Read moreSee 2 more doctor answers
Depends on the med: Several different medications can be used to dilate the eye for peripheral retinal examinations. They have different durations of action from 2 hours to 2 weeks. The most commonly used drug, mydriacyl, (tropicamide) is 1/2 gone in 2 hours, and 3/4 gone in 4 hours on average. Some people are especially sensitive to the meds, especially if you have light blue eyes, and can remain dilated for 36 - 72 hours. ...Read moreSee 2 more doctor answers
Pupil dilating drops: Usually last for 4-6 hours after they are instilled. Depending on the patient, the drops may last longer, especially with people who are blue-eyed. In addition, some dilating drops are known to last longer. We try to avoid them whenever possible so the drops wear off more quickly. ...Read more
See below: The typical dilation drops used in the office for examination last for several hours after (longer in lighter-eyed individuals). Other therapeutic dilation drops that are prescribed can last days or weeks. ...Read more
Several hours: It really depends on the drops used at your doctors office. The standard drops used can keep pupils dilated between 4-6 hours. However, in some patients the drops can keep the pupils dilated for up to 24 hours. ...Read more
Depends: Visual field testing doesn't require dilation. Oct can also be performed without dilation although in some patients the signal strength and accuracy of the measurements can improve with dilation. Optic nerve photography is also best performed dilated stereo photographs are preferable. Dilation can last fabout 2-10 hours depending on the drugs used and color of the iris. Blue is more sensitive. ...Read moreSee 2 more doctor answers
Variable: Many factors influence how long dilating drops remain active after instilled. These include how "strong" a drop was used, how sensitive the patient is to the drop, color of the eyes (blue usually stay dilated longer), and other factors. Most dilating drops used for diagnostic purposes in the office wear off after 4-24 hours. Patients often are sensitive to light, and may have trouble reading. ...Read more
Several hours: Up to 5 or 6 hours or more for susceptible people. ...Read more
Depends: On what drop you are using. Let us know and we will advise you. ...Read more
Pupil Dilation: Tetracaine does not dilate the pupil. This medication is an ester local anesthetic used to anesthetize the eye. Cycloplegic drugs such as atropine, cyclopentolate, homatropine, scopolamine and tropicamide are used as mydriatic (pupil dilating) agents. The duration of action of these medications can range from 4-24 hours or so depending on the concentration of the drug and the individual patient. ...Read more
A few hours: The typical dilating drops used at most eye doctors last about 4-6 hours. Some individuals are more sensitive to the effects and can remain dilated for up to a day. And if stronger dilating drops were used for a particular reason, their effects could last from 8 to 24 hours. ...Read moreSee 1 more doctor answer
Pupil dilating drops: Usually will last for 3-4 hours after your exam. Occasionally, some patients' pupils are extremely responsive to dilation and the drops could last up to 10-12 hrs. ...Read more
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