Essay about Factors that Cause Cataract

Essay about Factors that Cause Cataract

Length: 608 words (1.7 double-spaced pages)

Rating: Better Essays

Open Document

Essay Preview

Cataract is a condition that clouds the lens in the eye that leads to decrease in vision. There are many factors that cause cataract but the most common is aging, blunt trauma can also cause cataracts due to swelling and thickening of the lens fiber. Cataract can also develop after a long and constant exposure to radiation. Genetics can also play a part in developing the condition. Most common symptoms of cataracts are cloudy or blurry vision, colors seems faded, poor night vision, double vision or multiple visions in one eye. The clouding of the lens reduces the sharpness of the image reaching the retina. The lens can also turn into a yellowish/brownish color and add brown tint to the images. If the infected eye is not treated properly it can cause blindness.
Statistics
Cataract in people over 80 is very common, In the U.S. more than half in that age group either have cataract or have had a cataract surgery. Even though the condition is worst at the later age cataracts mostly develop at 40 to 50 years of age but it is small and do not affect the vision. People that have diabetes are most likely to develop cataracts as well as prolonged exposure to sunlight. Smoking and exposure to chemicals and other disease can also cause cataracts. The condition can be detected through visual acuity test that measure how well the eye see the image in various distances. Dilated eye exam and tonometry can also be preformed to check the eyes for certain conditions. Cataract is not fatal but if left untreated can lead to blindness.
History
Cataract has been around for centuries, the earliest documented case was a small statue that has white patch carved into its pupil in Cairo around 2457-2467 B.C.E. Couching was the earliest procedure to treat...


... middle of paper ...


...hey can also help apply the medication to keep the eye from getting infected.
What I Learned
I learned that cataracts can affect anyone and there are many ways one can develop the condition. It is interesting to learn that couching wasn’t debunked as an unscientific way to treat the cataract in China until the 1900s. Also it is interesting that most of the people over the age of 80 have cataract or went through cataract surgery.



Works Cited

http://www.news-medical.net/health/Cataract-History.aspx
http://www.mayoclinic.org/diseases-conditions/cataracts/basics/definition/con-20015113
https://www.nei.nih.gov/health/cataract/cataract_facts.asp
http://lirnproxy.museglobal.com/MuseSessionID=e9e12a99a34bd937364f1d3da84fd769/MuseProtocol=http/MuseHost=go.galegroup.com/MusePath/ps/i.do?action=interpret&id=GALE%7CA218203872&v=2.1&u=lirn43170&it=r&p=HRCA&sw=w&authCount=1

Need Writing Help?

Get feedback on grammar, clarity, concision and logic instantly.

Check your paper »

The Patient Patients Cataract Surgery Essay example

- A 75 year old white male presented for examination in the clinic with the complaint of a sudden onset of unilateral pain in the right eye. The pain is also associated with a decrease in vision over the last several days. One week ago, the patient had cataract surgery in the right eye. With good compliance, the patient has been using prophylactic drops including topical prednisolone, tobramycin and ketorolac. The first follow-up, was an unremarkable one-day post-op exam with distance visual acuity recorded as 20/25 OD and 20/30 OS....   [tags: Ophthalmology, Eye, Inflammation, Retina]

Better Essays
1598 words (4.6 pages)

Essay on Human Factors in Long-Duration Spaceflight

- A manned mission to Mars is an extremely dangerous excursion. Crewmembers can expect a six-month flight to the planet, one year of occupation, and a six-month travel back. During this period, numerous human factors challenges can complicate, and even ruin the entire mission. This paper will identify human factors challenges the crew will face, describe why they are so dangerous, and finally, identify ways to mitigate these challenges. The first challenge in a long-duration spaceflight is almost immediately apparent after lift-off, leaving the gravitational pull of Earth, and entering a micro gravity environment....   [tags: technology, space travel]

Better Essays
1163 words (3.3 pages)

Cause and Effects of Pancretic Cancer Essay

- Pancreatic cancer can show various symptoms or signs to people in the body. Majority of the time, symptoms are not apparent until the cancer has developed and spread in the area. These symptoms that develop are not specific in the pancreas, because they mirror other problems. If the cancer is in the head of the pancreas, it can cause symptoms like nausea, jaundice, weight loss, itching, dark urine, abdominal pain, back pain, light stool color, and vomiting. In the body or tail of the pancreas, the symptoms could be weight loss and belly and/or back pain....   [tags: symptoms, factors, cause, cancer]

Better Essays
1071 words (3.1 pages)

Factors that Can Cause a Panic Disorder Essay

- Factors that can cause a panic disorder are biological psychological and social factors. Stress is generalized as a psychological factor. Stress is usually cause by life changing events. Stressful event can stress of a job or school, divorce, or in the case of the patient the death of a love one. Stress causes headache and high blood pressure which Will Likely lead to a panic attack. Situations like heart rate and high blood pressure can become external and internal cues that can be Associated with panic attacks this can cause these cues to being conditioned stimulus for panic attacks....   [tags: biological, psychological and social factors]

Better Essays
637 words (1.8 pages)

Cataract Surgery: Phacoemulsification Essay

- Introduction Phacoemulsification is the main method for elective cataract surgery; however, in some cases (such as hard cataracts, zonular laxity or loss and inadequate pupil dilatation) it can be challenging to complete the surgery without complication even for the most experienced surgeons. In these cases, preoperative planning and cautious intraoperative management are critical to avoid intraocular injury. During the aging process, human lens undergoes progressive morphological changes, which lead loss of transparency....   [tags: cataract, eyes, surgery]

Better Essays
672 words (1.9 pages)

Symptoms And Treatment Of Cataract Essay

- According to Mayoclinic.org the definition of cataract is a clouding of the normally clear lens of your eye (July 2013). I would like to discuss with you the pathophysiology of this disorder, the causes of this issue as well as some of the effects it can have on you, and some treatment options for those you suffer from this internal eye disorder. A cataract affects the lens of the eye. The lens is generally clear in color, and it is elastic in nature. The lens is surrounded by a capsule like case and sits behind the iris inside the eye (“Cataracts” Linton 2012)....   [tags: Ophthalmology, Eye, Phacoemulsification]

Better Essays
1146 words (3.3 pages)

Cause and Effect Essay - Factory Farms Cause Sickness and Pollution

- Cause and Effect Essay - Factory Farms Cause Sickness and Pollution There is little doubt that animals raised on small-scale diverse farms are apt to be healthier. When allowed to range freely, particularly in organically maintained yards and pastures, they receive more exercise, their diet is more varied and they are exposed to commensal bacteria that help exclude, and build resistance to, harmful pathogens. Some organic practitioners also argue that free-ranging animals actively seek out plants with medicinal properties that can build their resistance to illness, When Livestock production is carried out on a scale that suits the global market, however, huge numbers of animals are kept i...   [tags: Expository Cause Effect Essays]

Better Essays
1227 words (3.5 pages)

Factors That Cause Obesity? Essay example

- What are the main factors that cause obesity. In modern cities, hundreds of people get trouble in overweight or obesity. Obesity is people whose body weight is at least 20% higher than it should be. People are considered obese with their body mass index (BMI). The BMI is a statistical measurement derived from people’s height and weight. In 2014, more than 1.9 billion adults, 18 years and older were overweight. Of these, over 600 million were obese. Most of the world 's population live in countries where overweight and obesity kills more people than malnutrition....   [tags: Obesity, Nutrition, Overweight, Body mass index]

Better Essays
856 words (2.4 pages)

Factors That Cause Obesity? Essay

- What are the main factors that cause obesity. Obesity is basically caused by an imbalance between energy input and expenditure. There are numerous factors that are thought to contribute to this trend, a few will be considered here. It is worth noting that studies investigating the role of diet or activity are generally small and include diverse methods of risk factor measurement. It is difficult to establish the relative importance of the different potential contributory factors. A lack of energy balance most often causes overweight and obesity....   [tags: Obesity, Nutrition, Sleep deprivation, Cortisol]

Better Essays
921 words (2.6 pages)

Factors That Cause Obesity? Essay

- What are the main factors that cause obesity. Obesity is a term used to describe somebody who is very overweight with a high degree of body fat. After knowing obesity, a disease that can cause the death of people in the world, as a person who is wonder. I went further to research the issues about what cause of the obesity as it relates to our daily life and what is going to happen if we got fat body. As the surveys have shown the number of corpulent patients are increasing all around the world. Also, in the world, the obesity patient members that increase the most is in American Samoa, with 75 percent of the population reported as obese (Hjenglish)....   [tags: Obesity, Nutrition, Physical exercise]

Better Essays
790 words (2.3 pages)