Astigmatism

It was interesting to see the varied results from the activities listed above. In the Two-Point Discrimination Test, many individuals had very different responses for when they could feel two points of touch, as opposed to one point of touch. It was no surprise that the fingertips were the most sensitive (have a higher receptor density). The least sensitive area (which either indicated more convergence of neurons or lower receptor density), the back of calf, also resulted in the highest…

technology, Laser eye operation is fast becoming popular and a sought after procedure for the various types of refractive errors of the eyes. Laser procedure has the ability to rectify severe degrees of nearsightedness as well as moderates degrees of astigmatism and farsightedness. While the main purpose of New York City Lasik is to reduce the dependency on the contact lenses and the glasses, it does not guarantee perfect vision of 20/20. Moreover, the laser procedure is not suitable for…

found that the normal eye pressure causes the round shape of the cornea to distort and an irregular cone-like bulge develops which results in significant visual impairment. The quality of vision seems poor which also occurs primarily from irregular astigmatism and distortion that results in the image focusing at multiple points instead of a single point focus. It is also observed that the image is ghosted, flared and also appears doubled and distorted. Keratocunos does not cause blindness as…

There is a enormous potential market for refractive surgery. It is estimated that about one hundred and sixty million Americans have refractive errors (nearsightedness, farsightedness and astigmatism) and about ninety percent qualify to have refractive surgery. However, only twelve million of LASIK patients have undergone the procedure since it was first approved in 1995 (AAO, 2009). It is best to get an idea of the lenses prescribed and to…

Once a revolutionary medical advancement, Lasik surgery is now a very common procedure. Patients are often in and out in a single day with the actual Lasik surgery procedure taking 30 minutes or less. For children, however, Lasik is still coming into focus. If you are wondering if your child is too young for Lasik surgery, he or she probably is. In fact, Lasik is Food and Drug Administration (FDA) approved for those 18 and older. That is, unless your child falls into specific considerations…

Social media are always said to be a devil to people, especially teenagers, as they may be addicted to it and decrease their productivity. Students may not manage their time well due to social media, wasting most of their time on Facebook, Twitter, Instagram and YouTube, but neither do revision on their study nor take a rest. Electronic gadgets are also blamed to be the cause of obesity in the society, as the numerous information over the internet will decrease people’s willingness to do…

The patient who has dyslexia had a history of seizures as well as a astigmatism in her right eye.She was overall a very healthy child and did not have any significant health problems except for common childhood illnesses. The patient does not have any family members that have dyslexia besides herself. At around age five when the patient was in kindergarten her teachers and parents started to notice that she had trouble reading. She could not get the hang of it and it began to become a concern.…

The cornea, goes through minor changes such as increase in cornea thickness and curvature increasing the possibility of astigmatism. Aging also results in reduction of pupil size, number of rods, and retinal ganglion cells. Changes in eye movements are also prominent in old age with a decline in smooth pursuit eye movement (ability of eyes to closely follow a object) and saccadic…

noses. My siblings have big noses and lips. I believe, I received my face dimpled from my grandmother and great mother because the both have dimples on both sides of their face. I have very bad vision, so does my grandparent and mother. I have astigmatism in both of my eyes. My family has a lot of conditions. To prevent myself from getting lung cancer, I go get frequent check ups. I do not smoke cigarettes. I try not to hang around other people that smoke. My aunt smokes when she comes over,…

When the time comes to visit an eye doctor in phoenix, many individuals are confused as to whether they need to see an optician, optometrist or ophthalmologist. Each individual plays a role in a person's eye care, yet most individuals need to only see an optometrist. Eye exams, as performed by an optometrist, allow health problems to be detected at any early stage. Many individuals don't realize that tumors may be detected through a routine eye exam, and the same is true of diabetes. In addition…