Getting your eyes dilated can be inconvenient – including making the eyes light sensitive and having difficulty reading for a couple of hours.
So wouldn’t it be great to have another drop to reverse the effects of dilation?
On Dec. 31, 1990, Dapiprazole, under the trade name Rev-Eyes, was approved by the FDA and thought to be the answer to all the post-dilation problems. It was marketed for treatment of medically induced dilation by stimulating pupillary constriction and restoration of accommodative function for reading.
In clinical practice, Dapiprazole took between one to two hours to return pupils to pre-dilation size.
Side effects such as stinging upon instillation, conjunctival hyperemia (redness of eye), headache, and a few instances of ptosis (lid drooping), with a possible additional dollar cost to patients, appear to lessen Dapiprazole’s overall clinical benefit.
Reading ability returned in approximately 43 minutes with dapiprazole vs 66 minutes without dapiprazole (Optom Vis Sci 1994 May; 71(5):319-22). The main complaint that people had after using dapiprazole was the conjunctival hyperemia, which lasted more than three hours. The other issue was that dapiprazole was costly, so some practitioners included an additional charge for the reversal of dilation to offset the cost.
The full adverse reaction profile according to Drugs.com is as follows:
"Adverse Reactions: In controlled studies, the most frequent reaction to dapiprazole was conjunctival injection lasting 20 minutes in over 80% of patients. Burning on instillation of dapiprazole hydrochloride ophthalmic solution was reported in approximately half of all patients. Reactions occurring in 10% to 40% of patients included ptosis, lid erythema, lid edema, chemosis, itching, punctate keratitis, corneal edema, browache, photophobia and headaches. Other reactions reported less frequently included dryness of eyes, tearing and blurring of vision."
Currently, Rev-Eyes is off the market. The FDA has stated that Rev-Eyes was not withdrawn from the market for reasons of safety or effectiveness.
At this time, there is nothing available for reversal of dilation. People who get dilated will still need to wear their sunglasses and to put off reading for a couple of hours until the effects of the dilation drops wear off.
Article contributed by Dr. Jane Pan
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