Special glasses help colorblind people see more hues, even with glasses off

A new study enhanced color vision for individuals with the most common type of red-green color blindness.

  • Special glasses constructed with technically advanced "spectral notch filters" enhance color vision for individuals with the most common type of red-green color blindness.
  • The ability for colorblind participants to experience expanded color channels was demonstrated even after they took the glasses off.
  • At least 8 percent of men and .5 percent of women have red-green color vision deficiency (CVD).
Keep reading Show less

CBD makes glaucoma worse, researchers find

A new study reveals that it increases eye pressure, negating the effects of THC.

DENVER, CO - DECEMBER 7: Marijuana plants are grown at MedPharm Research warehouse. December 7, 2018. MedPharm Holdings is a cannabis research and cultivation company. (Photo by Hyoung Chang/The Denver Post via Getty Images)
  • For decades, marijuana has been touted as providing glaucoma relief.
  • A study out of Indiana University shows that while THC reduces eye pressure, CBD does the opposite.
  • Of the 18 mice tested, females were less responsive to marijuana than males.
Keep reading Show less

The Mystery of a Boy Who Lost the Vision Center of His Brain But Can Still See 7 Years Later

The case of a 7-year-old Australian boy who was supposed to lose sight at two weeks old but can still see has stunned scientists.

Credit: Inaki-Carril Mundinano, Juan Chen, Mitchell de Souza, Marc G. Sarossy, Marc F. Joanisse, Melvyn A. Goodale, James A. Bourne.

Keep reading Show less
Quantcast