Question 1

sitting with the lamp on, noticed that peripheral vision dims with each beat of my heart, what is causing this?

Accepted Answer

Peripheral vision: Please see an eye doctor ASAP.  I could be minor or major, perhaps involving your retina.  Peace and good health.

Question 2

why do we have peripheral vision?

Accepted Answer

Early warning: Central vision is for fine detail - reading, face recognition, etc.  Peripheral vision, of low acuity, is sensitive to motion and serves to provide early warning of threats from the sides and also provides orientation to the major features of the visual space.  With no peripheral vision (called tunnel vision) you cannot drive, or easily walk around, etc.

Question 3

causes of loss of peripheral vision?

Accepted Answer

Many many: Most common would be glaucoma and stroke.

Question 4

what is distorted peripheral vision?

Accepted Answer

Migraine??: The big issue is whether it is a transient or permanent problem. Regardless, a full exam with visual field testing should help you sort out the possible cause. Migraine is most common transient type. In elderly patients you also have to assess for insufficient ocular blood flow (amarosis).

Question 5

what is the opposite of peripheral vision?

Accepted Answer

Central vision: The opposite is the vision from the fovea and macular area which is the central, sharp vision that you use to read with and recognize small objects and faces.

Question 6

what causes a streak of light in your peripheral vision?

Accepted Answer

Shaking of retina: The retina only has nerves of vision and if something shakes it, you will notice a light streak.  This can happen occasionally spontaneously. And also in relationship to the aging of the vitreous within the eye.  If the light streaks happen one after another even with the eyes shut, then you should have an evaluation to rule out more serious conditions.

Question 7

what does a black blotch in peripheral vision mean?

Accepted Answer

Missing vision: A black "blotch" would indicate an area of abnormal peripheral vision.

Question 8

why can cause hallucinations in my peripheral vision?

Accepted Answer

Positive visual: Sometimes people with migraine headaches or occipital partial onset seizures have a visual sensation of lights or distortions in the peripheral vision.  Key questions are whether a headache follows them and whether they are the same symptoms every time.

Question 9

how does central vision differ from peripheral vision?

Accepted Answer

Different functions: Central vision is designed for fine detail, depth and color perception. Peripheral vision is designed for motion detection.

Question 10

why are contacts lenses' peripheral vision blurry for me?

Accepted Answer

Mult reasons: Either: 1. They don't cover your eyes completely, or. 2. The refraction isn't completely around the edge (doubt).

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Doctor answers about:

What is dim peripheral vision

A member asked:

Sitting with the lamp on, noticed that peripheral vision dims with each beat of my heart, what is causing this?

A member asked:

Why do we have peripheral vision?

A member asked:

Causes of loss of peripheral vision?

A member asked:

What is distorted peripheral vision?

A member asked:

What is the opposite of peripheral vision?

A member asked:

What causes a streak of light in your peripheral vision?

A member asked:

What does a black blotch in peripheral vision mean?

A member asked:

Why can cause hallucinations in my peripheral vision?

A member asked:

How does central vision differ from peripheral vision?

A member asked:

Why are contacts lenses' peripheral vision blurry for me?

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