Retinal Detachment Flashcards
(14 cards)
What is retinal detachment?
Involves the neurosensory layer of the retina separating from the retinal pigment epithelium.
What usually causes retinal detachment?
Retinal tear allowing vitreous fluid to get under the neurosensory retina.
What is the role of the choroid in retinal health?
Provides blood supply to the neurosensory retina.
Why is retinal detachment considered sight-threatening?
It can disrupt blood supply and cause permanent damage to photoreceptors.
List five risk factors for retinal detachment.
- Lattice degeneration
- Posterior vitreous detachment
- Trauma
- Diabetic retinopathy
- Retinal malignancy
What are the clinical features of retinal detachment?
Painless condition with:
* Peripheral vision loss
* Blurred and distorted vision
* Flashes and floaters
How does peripheral vision loss present in retinal detachment?
Often sudden and described as ‘shadow coming across vision’.
What is the first step in managing suspected retinal detachment?
Detailed assessment to detect retinal tears and retinal detachment.
What are the management options for retinal tears?
- Laser therapy
- Cryotherapy
What is vitrectomy?
Keyhole surgery on eye to remove vitreous fluid, fix tear, and insert gas or oil to hold retina.
What does scleral buckle procedure involve?
Using silicone buckle to apply pressure from outside to reconnect layers of retina.
What is pneumatic retinopexy?
Injecting gas bubble into vitreous body and repositioning patient to press separated layer back.
Fill in the blank: Retinal detachment usually occurs due to a _______.
retinal tear
True or False: Retinal detachment is a painful condition.
False
