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FAQs FAQ
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Retinal conditions FAQs

02/12/2019

FAQs

Why is the retina so important?

The retina acts like the ‘film’ of a camera, sending information about shapes, colours, patterns and movement via the optic nerve to the brain, where the information is processed. If the retina is damaged, this will cause visual disturbances or loss of vision.

Can I check my retina or macula for signs of damage myself?

No. Your retina lines the inside of the back of your eye and must be examined by an optometrist or ophthalmologist using special equipment. Eye drops are used to dilate the pupil to allow proper examination. However, you may be able to use an Amsler Grid to identify signs of change to your central vision. Any concerns should be investigated immediately.

Why do I need surgery for a detached retina?

If surgery to reattach your retina is not performed, there is a high chance you will lose your vision. The eye may also become painful later.

What are eye floaters and are they harmful?

Floaters are particles within the eye that float around like specks or smudges in your field of vision. They occur when the vitreous – the clear, jelly-like fluid that fills your eye – degenerates with age. Floaters can be harmless (e.g. a sign of posterior vitreous detachment). But they may also be a sign of more serious retinal conditions, including retinal detachment and diabetic retinopathy, so make sure you have your eyes checked.



References/further reading

  1. American Academy of Ophthalmology. EyeSmart: Detached Retina. USA, 18 September 2020. Available at: https://www.aao.org/eye-health/diseases/detached-torn-retina [Accessed online 6 July 2021].
  2. American Academy of Ophthalmology. EyeSmart: Floaters in Vision. USA, 14 October 2020. Available at: https://www.aao.org/eye-health/symptoms/floaters-in-vision [Accessed online 6 July 2021].
  3. American Academy of Ophthalmology. EyeSmart: What Are Floaters and Flashes? USA, 24 September 2020. Available at: https://www.aao.org/eye-health/diseases/what-are-floaters-flashes [Accessed online 6 July 2021].
  4. Kang HK, Luff AJ. Management of retinal detachment: a guide for non-ophthalmologists. BMJ. 2008 May 31;336(7655):1235-40. doi: 10.1136/bmj.39581.525532.47

The information on this page is general in nature. All medical and surgical procedures have potential benefits and risks. Consult your ophthalmologist for specific medical advice.

Date last reviewed: 2023-03-03 | Date for next review: 2025-03-03

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