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A 19-year-old male asked:

Hi, i'm seeing afterimages while watching tv in a dark room and suddenly when i blink towards a wall i can see the image. i'm 19 years old. i'm seeing afterimages for almost a month and i've been taking a stye medication ointment. is this normal ?

3 doctor answers4 doctors weighed in
Dr. George Yanik
Ophthalmology 34 years experience
After images from a bright screen persist when you look away in a dark room is normal, and not concerning. Why are you using stye ointment at all? it is not necessary.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Charlene Sojico
Pediatrics 43 years experience
Watching TV in the dark can cause eye strain and headaches as your eyes have to adjust to the different lighting.The cells in the retina take sometime to respond to light and take sometime for that response to cease once the cells have been excited. So it is normal to see after images in this situation.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Gurmukh Singh
Pathology 51 years experience
What you described is normal and not a cause for concern. For healthy diet: http://www.choosemyplate.gov/., exercise 30 minutes/day, drink enough water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs. Get HPV, Flu and Covid vaccines. Wish you good health!
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Oct 31, 2021

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