Retinal Detachment

Question 1

What are the 3 types of retinal detachment?

Answer 1

Rhegmatogenous —> tear/hole in neurovascular layer —> vitreous humour can leak through & push th neuro layer from the pigmented epithelium

• most common
• tears occur trauma, iatrogenically, degeneration

Tractional—> vitreous humour has abnormal attachment to retina
- occurs in diabetic retinopathy, retinopathy of prematurity, retinal vein occlusion

Exudative —> collection of fluid but no tear ~ usually from a infectious or inflammatory process (scleritis)

Question 2

What is retinal detachment?

Answer 2

Detachment of the neural layer of the retina from the pigmented epithelium

Question 3

What are S&S of it?

Answer 3

EMERGENCY

Painless
Flashing lights
Floaters ~ stuck in line of vision with eye movement
Loss peripheral vision (black curtains closing)
Loss of central vision
Sudden in onset

Question 4

Risk factors?

Answer 4

Head or eye trauma

fam hx or personal hx of RD

Increasing age

Myopia

Question 5

Diagnosis?

Answer 5

Fundoscopy ~ grey/white colour, loss of red reflex

Question 6

Prognosis & treatment?

Answer 6

Depends on cause - treatment: laser can close holes/tears

Emergency if macula is still attached to pigmented epithelium