Glaucoma is the build-up of fluid pressure inside a person's eye. The effects of this fluid build-up depend on which of the two types of glaucoma a person has; open angle or closed angle glaucoma. With both glaucoma's, the anterior chamber is the space between the cornea and lens that is used as a passageway for fluid to flow through and deliver nutrients. However, with glaucoma, the absorbing ability of the anterior chamber wall is damaged, causing this liquid to begin to build-up in the anterior chamber. This pressure can damage the optic nerve, which results in "the progressive retrograde degeneration of axons and the death of retinal ganglion cells"(Mesentier-Louro et al. 2014, Introduction, para.1). These retinal ganglion cells receive …show more content…
The difficulty with glaucoma is that everyone is susceptible to it, and that the effects of glaucoma are not felt until vision loss occurs. This inability to diagnose glaucoma makes it difficult for patients to get the proper attention that they need. Currently there are no cures for glaucoma or its effects, only to try and stop it from causing further damage. The main step that patients should take with glaucoma is early diagnosis, but with many of glaucoma's effects being unnoticed, many victims will not get treatment until their vision has already been seriously damaged. With such effects as loss of peripheral vision or blurred vision, a patient then would proceed to get treated through the use of eye drops, medications, or surgery to reduce the pressure in the patient's eyes. This reduction in pressure is only temporary, and if treatment is stopped, the pressure would build up after a short period of time. This reduction of pressure can be costly and has no effect on the vision already lost. To treat this disease people are going to have to look to the future of …show more content…
Although scientists speculate that there shouldn't be a problem in this procedure in humans, there still has yet to be an actual test on humans. This means that it is still possible that there is still an unforeseen problem that may occur. Also, in one of the MSC experiments with rats, the reduction of pressure in the anterior chamber only lasted for two weeks. They hypothesized that this was because the "injected MSCs progressively transdifferentiate into specialized cells, which modify the nature of their secretome and finally lose their positive effect on the TM"(Roubeix et al. 2015, Discussion section para.5). In terms of healing for glaucoma, this would mean that a person's vision would be improved and the pressure in the person's eye would be reduced temporarily, the pressure would return in the form of fluid and would need to be reduced by currently used pressure reducers previously mentioned. However, even with these few negatives, the possibility of a solution for glaucoma is very realistic due to its availability and because it is
In the case study titled Magic Eye Inc., the issue of concern is that the vice-president of the company believes that the individual programmers are receiving great salaries, work conditions, and benefits. But for some unknown reason seem to lack the motivation to perform at their full potential to improve the companies overall performance. Seeking the help of Muriel Tremblay head of personnel to find out what is the problem. Muriel continues by interviewing a programmer that she knows by the name of Jeannine Savaria to possibly understand what the issue is. To understand what is going on in this situation and its underlining issues is to first comprehend the motivation of the employee’s
This module of study has focused on many aspects of human health, anatomy, and the disease process. It has included such topics as the human organ systems, the mechanism of disease and the resulting disruption of homeostasis, the integumentary system, and the musculoskeletal system. The following case studies explore how burn classification will affect treatment, how joint injuries can disrupt mobility, and last, how a sedentary lifestyle can contribute to a decline in a person’s health status. The importance of understanding disease and knowing when to seek treatment is the first step toward enjoying a balanced and healthy life.
Saxena, Rohit, Diguijay Singh, and Praveen Vashist. “Glaucoma: An Emerging Peril.” Indian Journal of Community Medicine 38.3 (2013): 135-7: Proquest. Web. 7 Jan 2014.
...eye fluid to leave the eye. The new channel helps to lower the eye pressure. Surgery will be recommended only if your ophthalmologist feels the benefit of a lower eye pressure achieved with an operation outweighs possible complications and/or further progression of optic nerve damage.
Glaucoma is a disease of the eye and it is fluid pressure within the eye rises and if the eye is left untreated the patient might lose vision or maybe even blind. But this disease is generally affects both eyes but although one of their eyes may have more severe signs or symptoms then the other eye. When you have glaucoma there are small spaces in the front of the eye and they are called anterior chamber. There is clear liquid that flows in and out of the anterior chamber and the fluid nourishes and bathes nearby the tissues. And if the patient has glaucoma the fluid dose not drain like it should drain but the fluid drains out of the eye. And this may lead to fluid build up and pressure inside the rises of the eye. Unless the pressure is brought down and controlled and the optic nerves and some of the other parts of the eye might become damaged leading to ...
Age related macular degeneration (AMD) is the leading cause of blindness in people over the age of 50. Every ten years after the age of 50 the prevalence of this disease increases exponentially. Many different factors contribute to the development of AMD including genetic, environment, and metabolic functions. Aside from smoking, abnormal blood pressure, and an unhealthy diet low in fruits and vegetables, many more studies are concluding that similar inflammatory and oxidative processes seen in other age related diseases are also playing a key role in the development of AMD. This disease affects the central areas of the retina and choroid. In return central vision is impaired while peripheral vision is usually not lost. AMD is seen in two different forms, the earlier nonneovascular (dry) type and the more advanced neovascular (wet) type. Each form has its own specific pathology and unique characteristics that set them apart. Fatty, protein deposits called drusens may be the key risk factor in understanding dry AMD pathology, progression, and treatment. Once the more advanced wet AMD is diagnosed, pathology and treatment are targeted around the formation and destruction of abnormal blood vessels, characteristic of the wet AMD eye. The increasing prevalence of AMD has influenced more investigation into what factors can be modulated to prevent the onset or to stop the progression of AMD. Early diagnosis is very important because this is when an eye doctor can spot the early signs of the disease through ultrasound or angiography. This text will discuss the pathology of drusens and the role of inflammation and oxidation in the aged eye. By better understanding these processes more effective treatment approaches and preventive...
Guyer, David R., (1997). Interferon alpha 2a is ineffective for patients with choroidal neovascularization secondary to age related macular degeneration: results of a prospective randomized placebo-controlledclinical trial. The Journal of the American Medical Association, 278(18), 1470.
Macular degeneration in general can affect many people in minor or drastic ways. People who experience this form often complain of vision loss when they are in dim light, especially when they are reading. The "dry" type is often characterized by a more gradual loss of vision compared to the "wet" type. Signs of this disease include an increase in drusen, which is an accumulation of a yellow-white substance, in the underside of the macular retina. A loss of cells can be seen in the macula. The macula is our sensitive sight region, where intricate detail can be seen. Thus, vision in this area is helpful and necessary to drive, read, focus on small details, and recognize familiar faces. The macula is located in the back of the eye known as the retina. The macula is only about 5 mm in diameter, and includes the fovea, which gives us our detailed central vision. If a person suffers from the "dry" form in one eye they will be more likely to develop it in the other eye as well.
Wet Macular Degeneration can be slowed with an anti-angiogenis injections to the eye, but it is crucial to get a diagnosis early.
When the contact lens was invented, the world of vision correction was altered forever. No longer were those people lacking perfect 20/20 vision forced to look any different than everyone else. Both discrete and revolutionary, the contact lens provided a brand new, viable, alternate solution to an age-old problem. After centuries of engineering and discovery the contact lens has evolved greatly. Presently contact lenses are made hard or soft, for daily or continuous wear, gas permeable, and even providing ultraviolet protection. A properly fitted pair of today’s discrete, convenient, versatile, and inexpensive contact lenses provide the best form of vision correction available in today’s market.
Within the eye wall, the winds are the strongest. They move around so fast that it is difficult to hear, see, and even breathe. While over the ocean, these winds can create waves that are talle...
it, only slow it down. In the first stages the drugs are very successful. and the patient is kept in relatively good health. In the final stages However, drugs are almost completely unsuccessful and the only thing that can be done for a patient is to make him comfortable with easing drugs. They are a good choice.
This protects the eye from becoming dry.The Cornea, a part of the sclera, is the transparent window of the eye through which light passes. The focusing of the light begins in the cornea.Behind the Cornea is a watery fluid called the aqueous humor. This fluid fills a curved, crescent shaped space, thick in the center and thinner toward the edges. The cornea and the aqueous humor together make an outer lens that refracts, or bends, light and dire...