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Flashes and Floaters

Most are harmless. Sudden new ones need a same-day check.

What is it?

Floaters are small specks, strands or cobwebs that drift across your vision. They are shadows from the clear gel (vitreous) inside the eye.

With age, this gel shrinks and can pull away from the retina. This is common and usually harmless, but the pulling can cause flashes of light. Sometimes it tears the retina, which can lead to a retinal detachment.

Common symptoms

Specks or cobwebs

Shapes that move when your eye moves.

Flashes of light

Brief sparks or streaks, often at the side of your vision.

A shadow or curtain

A dark area that spreads across your vision.

When to be seen urgently

Be seen the same day if you notice sudden flashes, a sudden shower of new floaters, or a shadow or curtain over part of your vision.

Call us at 306-244-4111 during office hours (Monday to Friday, 7 am to 4 pm). Otherwise, go to the nearest emergency department the same day.

How it’s diagnosed

We examine the whole retina after drops that widen the pupil. This is the best way to check for a tear. Retinal scans (OCT) and photos are done here at CEI. The drops blur your vision for a few hours, so plan not to drive.

Treatment options

  • Most floaters need no treatment.
  • A retinal tear can be treated with laser here at Conlon Eye Institute to lower the risk of detachment.
  • A retinal detachment needs surgery. If we find one, we arrange surgery with a retina specialist.
Dr. M. Ronan Conlon

About our clinic

Led by Dr. M. Ronan Conlon, ophthalmologist, in Saskatoon. No referral needed for vision correction consultations. For other eye problems, ask your optometrist or family doctor to refer you.

Medical Arts Building, 341-750 Spadina Crescent East, Saskatoon SK S7K 3H3 · 306-244-4111

Meet Dr. Conlon →

Questions about flashes or floaters?

Consultations are free.

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