Lecture 16: Diabetic eye disease

Question 1

What does diabetes do to the occular surface?

Answer 1

• Tear film - Dry eye
   Reduced tear quantity
   Reduced tear film stability
• Reduced corneal sensitivity
• Greater risk of viral
  and fungal infections

Question 2

What does diabetes do to the cornea?

Answer 2

• Corneal nerve damage
• Keratopathy
   Superficial punctate keratitis
   Recurrent corneal erosions
   Persistent epithelial defects

Question 3

What can diabetes do to the iris and lens?

Answer 3

Neovascularisation and cataract

Mitotic pupil

Lenticular induced myopic shift

Question 4

How is diabetic retinopathy classified?

Answer 4

• Proliferative
• Maculopathy, (if involved)
• ## Focal, ischaemic or diffuse leakage of vessels

Question 5

What are the signs of a non-proliferative DB retinopathy?

Answer 5

• Microaneurysms
• Intraretinal haemorrhages
• Hard/Soft exudates

Question 6

How is db retinopathy treated?

Answer 6

• Laser for blockages and leakages
• Avastin to help with macular oedema and neovascularisaiton