Eyeglasses and special astigmatic soft and gas permeable contact lenses can correct astigmatism. Distance vision is also blurred if the farsightedness is greater than an individual s focusing ability. Constant effort is needed to maintain clear distance, and even greater effort is need to see clearly up close. This constant extra focusing effort causes symptoms of eye fatigue, headaches, tension and numerous other complaints of ocular discomfort. Farsightedness decreases during our growth years, remains fairly stable during our twenties and thirties, and as a normal healthy progression, typically increases in our forties and beyond.
High pressure can damage the optic nerve.
Indeed, loss of sight may occur gradually or, in rare cases, suddenly if glaucoma is not controlled. Early diagnosis and treatment is important. If glaucoma is discovered early, treatment usually keeps it from getting worse. Typcially, in the early stages of most types of glaucoma, small, imperceptible blind spots occur in the peripheral vision. Later, the blind spots enlarge and coalesce, which results in tunnel vision.