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Sir last time I had asked about eye flashes with shaky vision. My all eye test were normal and also mri was normal. I want to ask you weather cough can cause vision problems in mind? Because I have cough problem from childhood. Perhaps cough gathered in mind and causing vision problems.
I am 18 years old. I am suffered with blepharitis. Please suggest any useful and good advice to prevent it. Please I request you doctor.
While Myopia and Hypermetropia are refractive defects in vision, they are diametrically opposite in nature. The former is about distant vision problems while in the latter, you have trouble with nearby objects.
Both are common eye conditions that mainly occur when light does not focus on the retina of the eyes.
Also called nearsightedness, in this condition a distant object is not easily discernible. There is no problem while looking at closer or nearby objects. This is because light gets focused onto the front portion of the retina rather than onto it. Due to this, things in the distance appear fuzzy or blurred.
The retina, located at the back of the eye, is the screen upon which the lmage/light reflection falls. The light is then converted into electrical signals and sent to the brain. The brain then decoded these images.
A myopic or nearsighted eye has incorrect focus because of its abnormal shape. Sometimes it is too long, while sometimes the cornea (the transparent covering on the front of the eye which is rounded) itself is rounded.
Hypermetropia or farsightedness is a condition when you can see distant objects clearly but nearby objects appear blurred.
A flat cornea is a major cause of farsightedness. This can also happen if your eyeball is shorter than normal. Because of this, light focuses beyond your retina instead of on it.
Signs of nearsightedness are-
- Squinting of the eyes
- Eyes that hurt occasionally
- Children have problem seeing the blackboard
The signs of farsightedness are-
- Squinting while trying to see better
- Aching or burning feeling in the eye
- Headache or too much stress on the eyes while focusing on something close
Diagnosis and Treatments-
An Optometrist can correct both myopia and hypermetropia by advising patients to use prescription glasses or contact lenses specifically designed to counteract these abnormalities.
For shortsightedness, a minus powered concave lens (curved inwards) is used which is placed in front portion of the myopic eyes and the image is gradually moved back to the retina. As a result, the image clarifies. Some patients use contact lenses that provide clearer and wider vision glasses.
For long-sightedness, a convex lens (bend outward) is placed in front of a hypermetropic eye and the image is re-positioned to allow the image to focus correctly on the retina.
It is therefore, necessary to adhere to proper care and health standards to safeguard your health of your eye. Contacting a good eye doctor will enable you to determine which method will work the best, according to your own circumstances and condition.
Anything that enters the eye from outside and causes inflammation or irritation, or even an abrasion, among varied other problems, can be termed as a foreign body. This foreign body usually ends up having an effect on the conjunctiva or the cornea. While the cornea is the outer layer that protects the eye, the conjunctiva is the membrane that covers the white portion of the eye. Here are a few ways for understanding and treating the entry of foreign objects into the eye.
Symptoms: To begin with, one must understand the symptoms so as to recognise the problem. A feeling of pressure or discomfort will be experienced by the patient, who will feel as though something is preventing him or her from shutting the eye properly. At the same time, too much tear formation and pain in the eyes will also point at the entry of the foreign object while redness and bloodshot eyes are also a common sight at such instances. The patient may be forced to blink at more than the normal rate, while glares of light will create pain and discomfort.
Causes: There are many kinds of foreign objects that can enter the eyes including fine substances like saw dust, dirt, grime, dust, sand and even the dust of cosmetics. Also, eye lashes, dried mucus, shards of glass and metal particles may enter the eyes and create an emergency situation. When the wind sweeps debris up, it may fall into a person’s eyes and settle there.
Prompt Action: As soon as you feel like something has entered your eye and does not seem to be leaving it even after continuous blinking, then you will need to see a doctor in the Emergency Unit of your hospital. Do not rub your eyes at all, as the foreign object may cause cuts inside and lead to bleeding and other complications. You must take special care to notice whether or not the object in the eye is sharp and is preventing you from shutting your eye properly, in which case immediate medical intervention and diagnosis will be required.
Treating the Foreign Object: With the aim of removing this object, the doctor may administer anaesthetic drops before using a fluorescein dye to find out what kind of object has entered. A moist cotton swab will be used for removal and an antibiotic ointment will be prescribed for any cuts. Acetaminophen can treat the pain while a CT scan can investigate any intraocular object.
You can also use a wet cloth to rinse and remove the object at home, but blurry vision and pain must be taken to an ophthalmologist immediately. In case you have a concern or query you can always consult an expert & get answers to your questions! In case you have a concern or query you can always consult an expert & get answers to your questions!