US approves contact lenses that deliver antihistamines to eyes

(ORDO NEWS) — The world’s first antihistamine contact lenses are approved by US officials. Soon they may appear on store shelves. These contact lenses will help people suffering from allergies

According to Gizmodo , the U.S. Food and Drug Administration has approved a new type of contact lens that releases an antihistamine drug that helps prevent allergic itchy eyes.

Johnson & Johnson has developed daily contact lenses coated with ketotifen, a commonly used antihistamine used to treat allergies. Called ACUVUE Theravision, these lenses are meant to help people who wear daily contact lenses but also suffer from allergies that cause eye discomfort.

How were the clinical trials?

Results from a phase 3 clinical trial published in the journal Cornea have shown that ACUVUE Theravision effectively reduces itchy eyes as early as three minutes after insertion and also provides relief for up to 12 hours.

The study, which included 244 people, found that the effect was similar to direct local drug delivery, but without the hassle of administering eye drops.

“These new lenses could help more people wear contact lenses as they relieve allergic eye itch for up to 12 hours without the need for allergy drops and provide vision correction,” the researchers wrote.

As Gizmodo notes, it will take some time before the contact lenses become available to consumers in the US, but they are already available in Canada and Japan.

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