Barefoot walking early in the morning in green grass can improve eyesight or not actually after my 4 major brain surgery my left eye vision is 6/12 and right eye is 6/6 so it can be good or not. M a right pca aneurysm operated patient. I want to leave wearing spectacles is it ok to discontinue wearing power spectacle my spectacle power prescribed by doctor. Left eye power minus 0.75 Right eye power minus 0.50 Left eye vision 6/12 Right eye vision 6/6.