How Blood Pressure Affects Your Eyes

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 have any specific problem, please consult a Ophthalmologist.

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Ways to maintain better eye health

Your eyes are one of the most important sense organs, which help in perceiving up to 80 percent of all major impressions. Eyes help us to do all our important daily activity like reading, internet surfing, driving etc. You should never take your eyes for granted. There are many ways in which you can take care of your eyes to ensure that you see and experience the world at its very best.

1. Quit Smoking: Smoking makes you vulnerable to a majority of health related problems. When it comes to the health of your eyes, smoking can place you at a risk of uveitis (inflammation of the middle layer of your eye which includes ciliary body, iris and choroid) and cataracts (clouding of the lens in your eyes leading to a blurry vision).
2. Wear sunglasses: Proper sunglasses can protect you from the harmful ultra violet (UV) rays of the sun. You should still use sunglasses even if your contact lenses offer UV protection. Too much of UV rays can cause pingeucula (yellow bump on the eyeball) and other serious eye problems. Polarized lenses can help to give your eyes proper protection while driving.
3. Screen time: Minimize the amount of time staring at the computer screen as it can cause
   • Eye strain
   • Dry eyes
   • Head ache
   • Back and shoulder pain
4. Anti- Glare:  Use an anti-glare screen on your computer at work so that the strain and pressure on your eyes are less.
5. Regular exercise: Exercise such as walking can prevent degeneration of the macula (present in the center of the retina in your eyes) which typically occurs by the time you reach the age of 60.
6. Don't Ignore: You should look at changes in your vision as an early warning sign. The changes would include difficulty to see in low light, hazy and double vision, along with abnormal swelling and severe pain in your eyes.

You should visit your eye doctor for check ups at least once every two years. Eye diseases like diabetic retinopathy have no early warning symptoms and can only be diagnosed through a comprehensive eye exam. You should also ensure that the prescription for your contact lenses and eye glasses are up to date. 

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Taking aspirin significantly increases risk of blindness

Regular use of aspirin can dramatically increase the risk of an eye disease - that causes blindness - in older people, researchers warn.

A new study found a link between regular use of aspirin and age-related macular degeneration (AMD) - the most common cause of sight loss in people over 50s.

Aspirin is one of the most widely used medications in the world and is commonly used in the prevention of cardiovascular disease, such as myocardial infarction (heart attack) and ischemic stroke, according to a report published by JAMA Internal Medicine.

While a recent study suggested that regular aspirin use was associated with AMD, particularly the more visually devastating neovascular (wet) form, other studies have reported inconsistent findings. Smoking is also a preventable risk factor for AMD, researchers said.

Gerald Liew, of the University of Sydney, and colleagues examined whether regular aspirin use, defined as once or more per week in the past year, was associated with a higher risk of developing AMD by conducting a prospective analysis of data from an Australian study that included four examinationsduring a 15-year period. Of 2,389 participants, 257 individuals (10.8 per cent) were regular aspirin users.

After the 15-year follow-up, 63 individuals (24.5 per cent) developed incident neovascular AMD.
"The cumulative incidence of neovascular AMD among nonregular aspirin users was 0.8 per cent at five years, 1.6 per cent at 10 years, and 3.7 per cent at 15 years. Among regular aspirin users, the cumulative incidence was 1.9 per cent at five years, 7 per cent at 10 years and 9.3 per cent at 15 years, respectively," researchers said.

"Regular aspirin use was significantly associated with an increased incidence of neovascular AMD," they said.

Researchers note that any decision concerning whether to stop aspirin therapy is "complex and needs to be individualised".

"Currently, there is insufficient evidence to recommend changing clinical practise, except perhaps in patients with strong risk factors for neovascular AMD (e.g. existing late AMD in the fellow eye) in whom it may be appropriate to raise the potentially small risk of incident neovascular AMD with long-term aspirin therapy," researchers conclude.

THIS IS ONLY FOR INFORMATION, ALWAYS CONSULT YOU PHYSICIAN BEFORE HAVING ANY PARTICULAR FOOD/ MEDICATION/EXERCISE/OTHER REMEDIES.








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