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Doctor insights on: Can You Tell Me What Is Volunteer Double Vision

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Dr. Richard Bensinger
1,727 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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Can you tell me what is refractive amblyopia?

Can you tell me what is refractive amblyopia?

Out of focus eye: Eyes generally like to develop together and focus together. If one eye is grossly out of focus compared with the other due to extreme farsightnedness or astigmatism, amblyopia may be the result. This can usually be treated with glasses or contacts. Myopic patients are generally less affected since they can see clearly up close with the weaker eye. ...Read more

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Can you tell me about double vision?

Diplopia: Seeing two images most commonly occurs when the eyes are out of alignment. This can occur from nerve, muscle or tissue damage from trauma, or vascular accidents. Doubling can occur in one eye from astigmatism, lens opactities and macular disturbances. See your ophthalmologist for the proper diagnosis and treatment. ...Read more

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Can you tell me what is the field of vision threshold and what does it have to do with glaucoma?

Can you tell me what is the field of vision threshold and what does it have to do with glaucoma?

Determines glaucoma: The threshold of vision means the lowest size or intensity of a spot of light that the eye can see. A threshold visual field test is used to detect glaucoma: multiple small spots of light are placed in different areas in a specialized testing device and the patient presses a buzzer if he/she sees them. Glaucoma decreases peripheral vision and threshold testing would show fewer spots seen by you. ...Read more

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Please tell me, could you tell me why we don't have a blind spot when both eyes are open?

Please tell me, could you tell me why we don't have a blind spot when both eyes are open?

Brain compensation: The brain is the actual site of vision and it compensates for permanent things in the vision. Both of your eyes have a blind spot, a spot with no light receptors where the nerve exits, which can be mapped out by your ophthalmologist in a test called visual field. Your brain has learned to ignore these holes in the vision and fills them in so you are not aware of them being present. ...Read more

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Can you tell me what having a pleat in the eye means?

Can you tell me what having a pleat in the eye means?

Pucker: You are probably referring to a condensation of the vitreous face over the macula which causes a ripple in the underlying retina and a lowering of the vision. This is not often termed a pleat but could be named so. These need evaluation by retinal specialists who can sometimes treat it. ...Read more

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Can doctors tell me what does your vision become like during a stoke?

Can doctors tell me what does your vision become like during a stoke?

Depends: Most of the brain is dedicated in some way to processing vision. Depending on the part that's affected by a stroke, the vision changes can vary widely. Some people simply lose all or part of their vision. In rare cases, it can be more specific, like loss of motion vision or face recognition. ...Read more

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Can you tell me about a eye drop presicription?

Can you tell me about a eye drop presicription?

Eye drop Rxs: There are at least 300 different eye drops. Some are over the counter and very good. Some require an ophthalmologist RX. ...Read more

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Can you tell me about the visual field test?

Can you tell me about the visual field test?

Benign and painless: In this test you will sit looking at a dome on which lids are arrayed or a light is projected Your identification is by a signal button and the mapping of what you saw is produced as a clue to changes in glaucoma, or to the nervous system. ...Read more

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Can you tell me about having blurred and double vision?

Can you tell me about having blurred and double vision?

Diplopia: Double vision can result from disorders in eye, optic nerves, or brain or induced by medicines . Request evaluation by neurologist. ...Read more

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Can you tell me what is astigmatism. Does it have anything to do with glaucoma?

Can you tell me what is astigmatism. Does it have anything to do with glaucoma?

Refractive error: Astigmatism is a measure of how "unround" the eye is. We tend to think that the eye is a perfectly round globe, but it actually is almost always at least a little oblong, like a rugby ball. The degree to which the front window (cornea) is oblong is measured in amount and angle of astigmatism (in which direction the ball is standing). Glaucoma has nothing to do with astigmatism. ...Read more

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Can you tell me how to know if I'm double jointed?

Can you tell me how to know if I'm double jointed?

Not possible: there is no such condition." double jointed" seems like a term that is used for laxity in normal joints. There is a wide range of what is normal. ...Read more

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Can you tell me how vision work?

Can you tell me how vision work?

Complicated: An image is focused by the eye on the retina which translates the light into an electrical signal conveying the shape, color and other features of the image to the occipital lobe of the brain. This part of the brain converts that signal into the picture that we call vision. A book has been written on each step in the sequence as it is very complicated. ...Read more

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Docs can you explain what is a double mastectomy?

Docs can you explain what is a double mastectomy?

Surgery: Double mastectomy is a term describing an operation to remove both breasts. This can be done in a variety of ways including skin sparing surgery in some situations. ...Read more

Dr. Howard Pomeranz
370 doctors shared insights

Double Vision (Definition)

When two separate images which are displaced in space are perceived at the same time due to a ...Read more