Cataract is clouding of clear natural lens present inside the eye, this is a major cause of decreased vision in elderly. Cataracts can occur in one or both eyes, usually developing very slowly. Things look blurry, hazy, less colourful and less sharp with cataract. 

Most cataracts are related to ageing, however many other factors can either increase the rate of formation or cause cataract formation. 

Causes of Cataract Formation-

Ageing: Most common cause. As the proteins present in the lens of the eye degenerates over the years ( just like any other organ) cataract is formed. If you are having Diabetes or hypertension, the rate of formation gets accelerated.

Radiation: Prolonged exposure to ultraviolet rays, especially UV-B rays, results in cataract in your eyes. Wearing sunglasses in the daytime helps in slowing down the process of cataract.

Genes: Many genetic disorders can result in congenital cataract ( cataracts present since birth) or early formation. Like in Lowe syndrome or Down's syndrome. 

Lifestyle Choices: Cigarette smoking, long hours of sun exposure regularly, antioxidant, poor diet etc. are responsible for the onset of cataract.

How To Detect Cataract?

Certain signs and symptoms suggest the existence of cataract in the eye. Depending on the type and level of cataract, problems in vision occurs. The main symptom is foggy cloudy vision as if seeing through a dirty glass window. 

Other Symptoms are- 

inability to see clearly in bright light (during the day) which becomes better in dim light ( evening and night) and vice versa. 
watery, tired eyes - mild pain in and around eyes. 
yellow tinge in vision 
Halos around light bulbs or bright light. 
If you are experiencing above symptoms and having problems in viewing things clearly, visit an ophthalmologist and get your eyes checked.

Foggy and Cloudy Vision - A Sign Of Cataract?

7 Easy ways to get relief from computer eye strain

Do you spend long hours in front of the computer? If you do, you may be experiencing eye strain on a regular basis. Eye strain is a common problem and is characterised by fatigue, decreased productivity, red eyes and eye twitching. You can get rid of eye strain by making use of any one of these simple tips. 

1. Ensure that your workplace has correct lighting
Often eye strain occurs as a result of improper lighting. This can be caused by exposure to bright sunlight coming in from the windows and doors or excessively dazzling indoor lights. You can avoid extra lights by keeping blinds or shades closed and by avoiding high-intensity bulbs or fluorescent lights. Alternatively, opting for incandescent or halogen lighting can be beneficial.

2. Minimise glare
You can install an anti-glare screen on the monitor of your computer to minimise glare. Keep the windows covered to reduce glare caused by outdoor sources.

3. Modify the display settings of your computer
You can modify the display settings of your computer in the following manner to reduce eye strain:
• Brightness-Set the brightness of the display to a level, which equals the brightness of your workplace.
• Text size and contrast-Modify the text size and contrast according to the comfort level of your eyes. For most people, black text colour on a white background ensures minimum eye strain and maximum convenience.
• Colour temperature- The spectrum of visible light, which a colour display usually emits is its colour temperature. Blue light is considered to cause more eye strain. So, you should decrease the colour temperature to minimize the amount of blue light emitted by your computer’s display.

4. Try some eye exercises
You can practise some easy eye exercises to prevent your eyes from getting tired. Try staring at a distant object for 10-15 seconds and then looking at any nearby object for another 10-15 seconds. Return your gaze to the first object. Repeat 10 times.

5. Opt for some computer eyewear while working
Try wearing a pair of computer glasses while working. They ensure that your eyes remain correctly focussed on the computer screen, while reducing strain to a minimum. Computer glasses also prove to be very effective in diminishing glare. 

6. Take short breaks at regular intervals
Apply the 20-20 rule to your work regime. After each 20 minutes of work on the computer, give your eyes a 20 second break by looking away from the screen towards any object located 20 feet away from you.

7. Go for a comprehensive eye exam
Make sure that you go for a comprehensive eye exam every year to reduce vision problems caused by computers. This will also help in detecting the root cause behind your problem, so that you can effectively employ curative or preventive measures to control eye strain.

If you would like to consult with me privately, please click on 'Consult'.

7 Easy Ways to Get Relief from EveryDay Computer Eye Strain

Cataract can be defined as the clouding of the natural lenses in the eyes. This is caused by the clumping of protein in the eye lens. Cataract is a common eye disorder and the leading cause of loss of vision in people who are past their fortieth birthday. Cataract can occur in one or both eyes. When diagnosed properly, cataract can be treated with surgery to prevent blindness.

Depending on where and how they develop, there are many types of cataract. The most common amongst these are:

1.        Subcapsular cataract

These occur at the back of the eye lens. Diabetic patients are very susceptible to this kind of cataract.

2.        Nuclear cataract

Yellowish-brown cataract that form in the center of the lens are called nuclear cataract. This is usually seen in cataract caused by ageing.

3.        Cortical cataract

Cataract in the lens cortex are known as cortical cataract. These are wedge shaped and whitish in color. Spokes protruding out of these opaque wedges can be seen moving towards the center of the eye.

4.        Congenital cataract

Though they are not common, babies can also have cataract. Cataract formed at birth or within the first year of a baby's birth are known as congenital cataract.

5.        Secondary cataract

Cataract is one of the known side effects of diabetes and glaucoma. Some steroids and medicines are also linked to cataract.

6.        Traumatic cataract

If your vision becomes cloudy years after an eye injury, it could be a traumatic cataract. It can take several years for this to happen.

7.        Radiation cataract

Exposure to radiation can also lead to cataract. This is seen sometimes in patients who have undergone radiation therapy to fight diseases like cancer.

Though the type of cataract might differ from person to person, the symptoms are usually the same. Some of the common symptoms of cataract are:

1. Blurred vision
2. Reduced night vision
3. Increased sensitivity to light and glare
4. Seeing halos around lights
5. Colors appearing faded
6. Double vision

A reading test is the first step towards diagnosing cataracts. This is followed by tests to measure the eye pressure. Your doctor will also need to dilate the pupil to check the condition of the optic nerves and retina.

Surgery is the safest way to remove a cataract. Surgery is usually recommended when cataract begin inhibiting your daily life such as preventing you from driving, interfering with reading etc.
 
In most cases, this can be done as an outpatient procedure. The earlier it is diagnosed, the easier it is to treat. Hence, if you notice any of the symptoms mentioned above, get your eyes checked at once. The surgery is a day-care surgery only, so a person can go home the same day.

Is Your Vision Clouded? It Could Be Cataracts

Allergic conjunctivitis is the result of a foreign particle (allergen) coming in contact with the eye. Once this happens, the immune system overreacts resulting into an inflammation of the eye. The eyes sore with pain. The over secretion of the histamine dilates the blood vessels causing the nerve to irritate and blood vessels of the eyes to expand. Some common reasons of allergic conjunctivitis include eye drops, pollen, dust mites, makeup and animal fur. The good news is that allergic conjunctivitis is easily treatable. Here are top five ways to deal with this condition:

Taking care of the eye: It is advised not to wear contact lenses until the symptoms go away fully. If any medication is used, a person must wait for at least 24 hours before putting on the contact lenses. Sometimes our hands carry major pollens that result in allergic conjunctivitis. It is equally important not to rub the eye without washing both the hands. Many studies have also reported that frequent bathing of the eye with cold water helps to clear the symptoms quickly. Some even say that frequent splash of warm water does the trick.
Avoid the allergen: Allergen being the villain behind the occurrence of this condition, it is very important to stay away from it. In peak pollen times, it makes sense to close the door. In case a person must go out, it makes sense to wear a sunglass. A pillow made of feathers should be changed every week to stay away from the infection. The number of dust mites at home should be decreased as much as one can.
Antihistamines: To quickly get rid of allergic conjunctivitis, doctors often prescribe antihistamines. It can be in the form of eye drop or oral presentation. They can successfully counter the effect of histamine which the body produces because of the hyper activity of the immune system. An antihistamine can block the aggressive effect of the immune system in a short time. Some of the commonly prescribed histamines include loratadine, cetirizine, emedastine, and ketotifen. People taking this form of the medicine for the very first time should refrain from carrying heavy load or driving.
Mast cell Stabilizers: These takes a little longer to act as compared to antihistamines. Their effects, however, are more lasting compared to its peers. Some of the popular mast cell stabilizers include nedocromil and lodoxamide. This medicine belongs to a non-steroid family and can successfully block the chemicals that cause inflammation.
Corticosteroids: These medicines are only prescribed by doctors when the symptoms of allergic conjunctivitis are serious. They belong to the steroid family of medicine produced synthetically. They can reduce the immune response of the body quickly and reduce the swelling as well. They can have possible side-effects. It is therefore wise, to consult a doctor before using it.

Allergic Conjunctivitis - 5 Top Ways To Deal With It!

Amblyopia or Lazy eye is the eye condition in which vision is reduced and cannot be corrected with glasses or contact lenses. All the images seen by the amblyopic eye are not fully acknowledged by the brain. It always affects only one eye, but may be accompanied with reduction of vision in both eyes. It can cause loss of vision, including loss of depth perception and two-eyed 3D vision. It's treatment can yield improvements at any age, but early detection can offer the best chances for a cure. Recent research has proven that lazy eye treatment can be successful in older children and adults. Comprehensive vision examinations are required for infants, toddlers, and pre-school children for the detection of lazy eye or amblyopia.

When the brain parts related with visual processing do not function properly, problems arise with such visual functions as the perception of movement, depth perception and fine detail (acuity, clear eyesight and sharp vision). Amblyopia is the most prevalent neurological defect of vision in children and adults resulting from developmental problems in the brain. Any interference with clear vision in either eye during the first six years or 'critical' period of visual and brain development can cause a lazy eye.

Constant strabismus or the constant turn of one eye in any direction, be it inward turn or crossed eye is one of common causes of amblyopia. The differences in vision or it's prescription between the two eyes leads to refractive amblyopia. Sometimes congenital disorders or a physical blockage of an eye due to trauma, drooping lids, cataract or a blocked tear duct can also lead to amblyopia. Many parents and children are not aware of any symptoms, as amblyopia usually occurs in one eye only and a lazy eye condition can exist without a noticeable eye turn. The visual acuity tests in addition to the 20/20 eye test charts and eye examination with cycloplegic drops by ophthalmologists are necessary to detect lazy eye.

Vision therapy for the eyes and brain is a highly effective non-surgical treatment for lazy eye. It is a progressive program of vision exercises customized to fit the visual needs of each patient. It is conducted at the clinic and occasionally supplemented with exercises to be done at home or workplace. It improve visual comfort, ease, and efficiency and change how a patient processes or interprets visual information. When considering treatment options, it is important to understand that lazy eye results from neurological deficit or problems in the brain and surgery for lazy eye is performed on the muscles on the outside of the eye. Most of the cases, lazy eye surgery provides cosmetic benefits and does not improve the patient's vision, hence options for vision improvement should be exhausted before eye muscle surgery is considered.

Lazy Eye or Amblyopia - Symptoms and Cure

Glaucoma is a group of diseases that causes damage to your eye's optic nerve and gets worse over time. The optic nerve is a bundle of millions of nerve fibres which carry visual impulse from the retina at the back of eye to the brain. The increased eye pressure, called intraocular pressure, can damage the optic nerve and fasten the natural nerve fibre loss. Since nerve cells can't regenerate this damage is permanent and irreversible.

Without treatment, glaucoma can cause total permanent blindness within a few years. Because most people with glaucoma have no early symptoms or pain from this increased pressure, it is important to see your eye doctor regularly so that glaucoma can be diagnosed early and treated before significant functional visual loss occurs.

If you are over age 40 and have a family history of glaucoma, you should have a complete eye exam with an eye doctor every one to two years. If you have any risk factors, you may need to visit your eye doctor more frequently.

What are the symptoms of glaucoma?

For most people, there are usually few or no symptoms of glaucoma. The first sign of glaucoma is often the loss of peripheral or side vision, which can go unnoticed until late in the disease. This is why glaucoma is often called the" sneak thief of vision" or" silent thief of eye sight.

If you have any of the following symptoms, seek immediate medical care:

Seeing halos around lights
Vision loss
Redness in the eye
Eye that looks hazy (particularly in infants)
Nausea or vomiting
Pain in the eye
Narrowing of vision (tunnel vision)
Risk factors-

There are several risk factors, which may lead to glaucoma, such as

Age of the individual
Ethnicity- african, caribbean, hispanics and asians are at higher risk
Increased eye pressure or iop history of glaucoma in family or relatives
Presence of myopia or hyperopia
Previous eye injuries
Use of steroids- as injections, tablets, eye or ear drops or ointments or protein supplements for muscle building in gyms or inhalers
Previous history of anemia
Individuals conditions affecting blood flow like hypertension, diabetes or high blood sugar, migraine etc are also at risk.
Treatment-

The treatment for glaucoma relies on the nature and seriousness of every case. Generally, glaucoma cannot be totally cured, but it can be controlled. Eye drops, pills, laser strategies, and means of surgery are utilized to maintain and prevent further harm from happening. Talk to your eye doctor to find out if you are at risk of developing glaucoma.

Are You at a Risk of Glaucoma? What You Need to Know?

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