For some of us, it feels like we've been out on the town way too long. Seriously, it's a problem that does have a cure. This article will clear things up for you, literally.
Double vision is medically called Diplopia. A single clear image is something most of us take for granted. Multiple areas of the vision system are responsible for this seemingly automatic process.
All of these areas need to work together harmoniously to create clear single vision. The systems of the vision system are the cornea (the clear outermost disc covering the eye that lets in focused light). The lens (located behind the pupil, focuses light onto the retina). The extraocular eye muscles (necessary to perform the eye's movements). The nerves (carry visual information from the eyes to the brain). The brain (several areas process visual information received from the eyes).
If any one of these areas isn't functioning properly, it can lead to double vision.
So we have to consider the cause of double vision in relation to the part of the visual system that is not working. If the problem occurs in the cornea, it often causes double vision in one eye only. The damaged surface distorts incoming light.
This can happen because of infection of the cornea or more uncommonly, Lasik surgery can leave one cornea altered causing unequal visual images. The most common problem of the lens is usually cataracts. Cataracts can obviously distort vision in both eyes.
A muscle problem is usually a weak muscle in one eye and that eye can't move smoothly with the good eye. If you look in the direction controlled by the weak muscle, it causes double vision.
Muscles of the eye can be weakened by Myasthenia gravis, an autoimmune illness that blocks the stimulation of muscles by nerves inside the head.
One of the earliest signs is double vision and drooping eyelids. Graves' disease, a thyroid condition that weakens the muscles of the eye, commonly causes vertical double vision. That's where one image is on top of the other.
Several conditions can damage the nerves and lead to double vision. Multiple sclerosis can damage the nerves controlling the eyes. Sometimes, the first symptoms of Guillain-Barre syndrome, a nerve condition that causes progressive weakness, occurs in the eyes and causes double vision.
Uncontrolled diabetes can also cause nerve damage in one or both eyes, leading to eye weakness and double vision.
Because the nerves controlling the eyes connect directly to the brain, many different causes for double vision originate in the brain. They include strokes, aneurysms, increased pressure inside the brain from trauma, brain tumors, and migraine headaches.
Singular double vision (occurring in one eye only) is called monocular. Having double vision in both eyes is called binocular.
Sometimes crossed eyes are the cause of double vision because the image is on side opposite to the eye that sees the image.
Occasionally certain medications can cause double vision. Topical drugs such as Scopolamine or atropine and some systemic drugs such as antihistamines, MAO inhibitors and amphetamines and some drugs used to treat glaucoma can contribute to double vision.
So to cure double vision you have to know where your eye problems are coming from. Then get rid of the underlying root causes.
There are many root causes for weak eye muscles, and for miscommunication between brain and eyes. Because usually double vision is a precursor to other eye conditions. But it's best to address it right away; kill the monster while it's little :)
That's where the Triangle of Sight comes in.
The Triangle of Sight addresses 3 areas of your vision that carry the root causes for double vision. It's in your:
It can simply be that your life is so stressful right now, that you are trying to black or blur out what's painful to you. Or some old emotional pain recently flared up, and your mind wants to protect you from having to look at it.
The thing to understand is that you don't see with your eyes. You only perceive light information with your eyes, but the image you see is created in your mind.
So these 3 pillars are what's affecting your eyesight on the way from perceiving the light information to creating the image that you see.
Double vision is very easy to get rid of, once you know where it's coming from.
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