Treat Glau­coma While You Sleep

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Sci­en­tists have long known that cannabigerolic acid, a com­pound from the cannabis (aka mar­i­juana) plant, can re­lieve glau­coma symp­toms, but the key el­e­ments don’t eas­ily dis­solve and there­fore can’t be turned into ef­fec­tive eye drops. Re­searchers at the Univer­sity of Bri­tish Columbia may have solved that prob­lem with a com­pound called a hy­dro­gel. The hy­dro­gel is ad­min­is­tered as drops that then form a sort of lens upon con­tact with the eye, al­low­ing the cannabigerolic acid to dis­solve dur­ing the night and pen­e­trate the cornea. In pig corneas, which are sim­i­lar to hu­man corneas, the gel was ab­sorbed quickly; the next step is to test the gel in hu­man eyes.

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