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Migraines and very severe recurrent form of headaches which last for few hours to many days can cause visual symptoms. The light flashes look like zigzag lines, geometric patterns and sparkles when they occur with a migraine. Flashes might affect one eye or both and occur in the peripheral area of the vision. Light flashes sometime also occur due to ophthalmic migraine, a migraine without a headache.
Posterior Vitreous Detachment
The jelly like substance or the vitreous fluid fill the center of the eye and also gives it shape, is attached to the retina. With age and over time there is shrinking of the vitreous and it begins to detach from the retina. This is known as posterior vitreous detachment. In this the vitreous tugs or pulls on the retina, while the retina gets detached and stimulates it thus causing flashes to occur.
There is no known treatment for posterior vitreous detachment, through regular monitoring of the eye through eye checkups are helpful. Symptoms of this are similar to those of retinal detachment (condition in which there is permanent vision loss).
Retinal Detachment or Tear
Retinal tear and detachment also cause light flashes in the eye. This needs to be treated promptly. In case of permanent vision loss there is detachment of retina at the back of the eye, especially if the detachment takes place over the macula which is the main focus of the vision on retina. When the retina detaches from the eye, it loses the main source of nutrients. As there are photosensitive cells in the retina which are responsible for vision, the results of retina tear are severe.
Retinal damage occurs after trauma or as a complication from diabetes or posterior vitreous detachment. Vitreous gel tends to seep under the retina from the small crevices and holes formed by the retinal thinning. This in turn raises the sections and disconnects it from the eye. This can be corrected by laser treatment, cryopexy or an eye surgery.
A trauma like a hard blow on the head can lead the person to experience flashes of light. Also some medications can lead to toxic levels, like Digitalis can cause flashes of light. The symptoms of eye flashes also occur with macular degeneration, which is an age-related disease and in this the vision reduces gradually.
Sir, how to strengthen our eyes naturally. Because I will play too much mobile. Please tell some eye exercises and natural treatments which can be given at home.
I have problems in my eyes and consult to so many doctors. But the problem could not be cure. When I use eye drop for some days I get relief. But some times being using the eye drop. My eyes blink continues. And while doing reading or writing it blink more. Some time when I got down from the stairs I feel my eye are closing.
I am 20 ye old male. In my college total online education is going on so I have to study in my laptop every day. From last 5 years I am studying like this. Now I am getting some eye pain. What should I do for not getting eye problems?
I have redness in my eyes specially when when I come back from cricket practice it became more. What should I do.
Hi, I am 27 year old lady. I met with an accident two weeks before. Post to that white part of left eye had some red color. Doctor said it will go after 2 weeks. But even after two weeks it didn't reduced much. What should I do?
I'm 25 years old female. My question is that in my eyes sometimes some white colour sticky liquid is coming I the black eye ball because of these sometimes I am having pbm in seeing and I take out that sticky liquid with the help of my hand den I can see. What is this liquid and what is the solution?
My brother gets itching in his eyes every evening and water in eyes. Eyes get red and he is unable to open his eyes for half an hour. What should be done? and what can be the problem?
Redness, itchiness and watery eyes are common symptoms of eye allergies. Pollen, mold, dust and pet dander are common allergens that trigger such allergies. Other triggers include adverse reactions to cosmetics and eye medication such as eye drops. Being allergic to certain food items rarely causes eye conditions such as itchiness or excessive tearing. When the surface of the eye is exposed to allergens, it releases histamines. This causes itchiness and makes the eye red and watery.
However, sometimes these can also be symptoms of a larger problem. Itchiness in the eyes and excessive tearing can also be a symptom of conjunctivitis or caused by eye disorders like dry eyes and blepharitis. Ironically, dry eyes is the most notorious factor amongst the above. Watery eyes could also be caused by clogged tear ducts or eyelids that turn inwards or outwards.
If your eye feels itchy or is persistently watery, you must consult an eye doctor. To correctly diagnose the condition and recognize the symptoms triggering it, he will conduct a thorough eye exam and discuss your medical history and lifestyle. If the condition is triggered by an allergy you might also require blood tests for allergies.
This will decide your course of treatment. A few tips that could help are:
- Avoid allergens: The best way to keep your eyes healthy is to limit their exposure to factors that could irritate it. Avoid going outdoors during the pollen season especially if it is windy. Wearing wraparound sunglasses can also help create a barrier between your eyes and the allergens. Within the house, ensure that your air filters in the air conditioner are cleaned regularly.
- Avoid contacts: Switch to spectacles or consider lasik surgery if you wear contacts regularly and often suffer from eye allergies. Alternatively you could switch to daily disposable lenses to avoid the buildup of airborne allergens on the surface of the lenses.
- Eye drops: Non prescriptions eye drops that help lubricate the eyes are easily available over the counter and can help relieve itchiness. This can also keep your eyes from drying out and thus prevent watery eyes.
- Antihistamines: The histamines released by the body on contact with an allergen dilute blood vessels and make then abnormally permeable. Antihistamines reduce these reactions by not allowing the histamines to attach themselves to cells in the body. Antihistamines can take a while to react and can make you feel drowsy. Hence it is advisable not to take them when operating heavy machinery or driving.