Most of the focusing power in the eye occurs along the front surface of the eye, at the cornea (the clear 'window' in the front of the eyeball). The human eye is usually shaped in a sphere, like a ball, but with astigmatism, the cornea of the eye is curved instead into an oval shape, more like a football. When the eye has these inconsistent curves, light will not travel in and out of the eye normally. The uneven shape of the cornea causes the light entering the eye to scatter in different directions. This can make objects appear blurry and distorted.
In addition to skewed vision, some of the signs or symptoms of astigmatism are:
• Headaches • Eye strain
• Squinting • Difficulty driving at night
Glasses or contact lenses can be prescribed to treat astigmatism, but they generally do not correct the condition. Astigmatism can occur alone as the sole optical error, or may occur together with either myopia or hyperopia. Often, two different lenses will help the eyes focus together, thus offsetting the uneven focusing caused by astigmatism. Astigmatism, however, can be corrected with surgery. Lasik vision correction is the surgery lenses are available that can be used to eliminate astigmatism.
Astigmatism can affect a child's ability to see well in school and during sports but children may be even more unaware of the condition than adults. As they are unlikely to complain about blurred or distorted vision, it's important that eye exams be scheduled at regular intervals to detect any astigmatism early on.

Droopy eyelids may be more than you think.

Ptosis refers to drooping of an upper eyelid of one or both eyes. The droop may be barely noticeable, or the lid can descend over the entire pupil. Ptosis happens in both children and adults, but usually occurs because of aging. Often patients choose to correct ptosis for cosmetic reasons, however in most cases, the drooping upper eyelid results in a reduction in the field of vision. Depending on how severely the lid droops, people with ptosis may have difficulty seeing. Sometimes people tilt their heads back to try to see under the lid or raise their eyebrows repeatedly to try to lift the eyelids. A furrowed forehead or a chin-up head position may indicate that someone is trying to see under their drooping lids. Eyelid drooping can make someone appear sleepy or tired as well as making the eyes fatigue easily, especially when reading.