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A cataract is defined as a clouding of lens in the eye where your vision gets blurred. A cataract affects the eyes, when light that passes through the lens prevents a clearly formed image from reaching your retina. The disease is very common and usually develops as your eyes age or due to any injury caused to the tissues that cover your eye's lens.
Types of cataracts:
- Senile Cataract: This is the commonest of all. It is age-related clouding of the lens. It can affect the near or distance vision and can also cause glare and change in glasses power.
- Secondary Cataract: It can be developed after surgery for other eye problems like glaucoma and other health conditions such as diabetes.
- Traumatic Cataract: It can develop many years later after an injury caused to your eye.
- Congenital Cataract: As the term explains, the disease may be inborn or some children might develop it at a later stage which often affects both eyes.
- Radiation Cataract: It can form after you are exposed to some form of radiation.
A cataract surgery involves the extraction or cleaning of the cloudy lens, which is then replaced by a clear artificial lens.
Why does it happen?
There are lens that lies behind our iris and pupil which act much like a camera lens. It helps concentrate light onto the retina at the back of our eye to form a sharply defined image. Besides, the lens also helps our eyes to adjust focus and allows us to see things clearly both far away and up close. The lens is composed of protein and water where the protein is arranged in a manner to keep the lens clear thereby letting light pass through it.
However, as we grow old, some of the protein starts to become thick and cloud a small lens area. This is known as a cataract. With the passage of time, it may inflate and cover more of the lens, making it difficult for us to see.
Besides, there are other causes of cataract such as smoking, addiction of alcohol, prolonged sunlight exposure, to name a few.
When should you opt for a cataract surgery?
Believe it or not, but till date no eye drop or medication has proven to reverse or prevent the formation of a cataract. If a cataract is affecting your nearsightedness or alteration in your prescription, then new prescription eyeglasses may help to better your blurred vision. However, the only treatment for a cataract is the surgical removal of your natural lens. And, most eye doctors recommend this surgery only when the problem becomes severe and starts hampering your day-to-day activities, such as studying or driving at night. If you wish to discuss about any specific problem, you can consult an Ophthalmologist.
I am a social worker 65 years old half retired. I have migrated to a remote village. I am browsing three hours rest 4 hours again 3 hours. Spending time by Writing free lance on social issues in the internet websites. There is no proper eye doctor in this village. My eye balls come out time to time. At Kolkata a 14 hours by train from here Dr. Used to press it with an instrument to set it right. Is there any natural way I can perform at home? Dr. says there is no fear of loosing eye sight.
I am 21 year old I can not sleep well in night. My eyes open in 1 or 2 hours daily form last 2 week.
Hello sir my body was pain to joint and I ill my wight in down and my body un fit please solve this problem and my brothers eyes is low capacity what I do?
What is the reason behind the low vision of eye during the long time study or watching TV? What is treatment for it?
What are the symptoms of night blindness and blur sight of vision? Please respond me as soon as possible! I v been facing this issue since a quite long time. What are the symptoms of night blindness and blur sight of vision? Please respond me as soon as possible! I v been facing this issue since a quite long time.
I am suffering from regular headache whenever I study continuously for 2_3hours Is it because of my eyes? Please help.
I am 21 years old girl. Studying. I have a vision problem. Its difficult to see things which are far from. Me. I don, t want spectacles. So please tell me what should I do.
I am 24 year old. I hav long sight eye problem. I don like to use lens or specs. Is connective surgery painful.
High blood pressure can lead to hypertension, which is known to cause a variety of debilitating side effects or symptoms in the life of the patient. It can also lead to a number of related ailments which can affect the various organs of the body. The eyes are one of the organs that are most susceptible to this kind of spike in the body’s blood pressure. Let us learn more about the connection between the two.
Retina: When high blood pressure goes untreated for a prolonged period, it can easily start to affect the blood vessels that can be found in the retina. The retina is the third or the inner most layer of the eye which is sensitive towards light and usually helps in refraction. This is where the light reaches so that one can focus clearly on an image. When the blood pressure of the patient stays high for a prolonged basis, there is significant pressure on the blood vessels in this part of the eye which can lead to an eye disease known as hypertensive retinopathy.
Symptoms: Symptoms of this eye disease include lack of clarity and focus when the eye comes to rest on an object, as well as headache and other vision problems that typically spring from eye strain that one will go through while trying to focus even harder. It may be seen that the symptoms do not appear in the very early stages of this disease.
Diagnosis: The diagnosis of the condition is usually done by an ophthalmologist who will use an ophthalmoscope in order to project light towards the specific part of the eye so that the back of the eyeballs can be examined. The signs that the doctor will look for during the examination include narrowing of the blood vessels in this part of the eye, inflammation of the macula which is the central portion of the retina, and bleeding in the back of the eye. Also, the doctor will check for spots in the retina with the help of cotton swabs and exudates.
Treatment: The best and only way of treating this condition is by keeping one’s blood pressure in control with the help of medication prescribed by the doctor.
Prevention: There are many ways of preventing the onset of this disease, including losing weight so that there is less pressure on the body. Also, one must stick to a healthy diet and exercise regularly after taking recommendations on the appropriate exercises from the doctor. Additionally, it is also important to see a doctor on a regular basis so that there is constant monitoring and regulation of the medicines and the blood pressure. If you wish to discuss about any specific problem, you can consult a Ophthalmologist.