Quiz: The Speck In Our Eye

Looking out across a clear blue sky is usually a joyful experience. But that solid background of color also makes it easier to notice floaters, the small specks that sometimes occur in a person’s field of vision. While floaters are most often a harmless annoyance, a sudden appearance of new ones can indicate a serious problem. This quiz will put the facts about floaters into better focus. Answers are below:

1. The floating specks that people sometimes see in front of their eyes are not actually on the surface of the eye, but inside.
A. True
B. False

2. Floaters can be in the shape of:
A. Stars
B. Spots
C. Tiny threads
D. The letter X
E. Both B and C.

3. Floaters are nothing to worry about, even if you see a sudden increase of them or if you see them along with flashes of light.
A. True
B. False

 4. What causes retinal detachment?
A. Diabetes
B. Trauma to the eye
C. Detachment of the vitreous humour, the gel-like substance that fills the eye
D. It can occur without an underlying cause
E. All of the above.

5. Retinal detachment can be treated surgically with which procedure?
A. Cryopexy (intense cold applied to the area with an ice probe) to help a scar form, which holds the retina to the underlying layer.
B. Pneumatic retinopexy (placing a gas bubble in the eye) to help the retina float back into place.
C. Laser surgery to seal the tears or holes in the retina.
D. All of the above.

Answers:

1. A. True. These floaters are bits of cellular debris that often come and go without the need for treatment.

2. E. Both B and C.

3. B. False. Floaters are nothing to worry about most of the time, but the symptoms described above could indicate retinal detachment. Retinal detachment should be immediately investigated by an eye doctor.

4. E. All of the above.

5. D. All of the above procedures are possible treatments. Most patients with retinal detachment will need surgery.
 
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