Eye

Question 1

Purpose of screening

Answer 1

Identify congenital cataracts
Oommon treatable cause of childhood blindness
2.3 in 10000 babies

Question 2

Risk factors

Answer 2

Famil history of bilateral or heriditary congenital cataract affecting a first degree family
1st degree relative with an ocular condition
Genetic syndrome associated with eye or vision disorders e.g trisomy 21
Maternal exposure to viruses during pregnancy like rubella
Neurodevelopmental conditions or sensorineural hearing loss - deafness caused by abnormal nerve function in inner ear
Prematurity

Question 3

How to use opthalamoscpe

Answer 3

Switch on so light on bright white
Focus circle using dial
Darken room if possible
Begin a arms length

Question 4

Screen negative

Answer 4

No anomalies
Repeat nipe at 6–8 weeks
Refer to healthy child programme

Question 5

Screen positive

Answer 5

Congenital cataracts - refer to neonatologist and ophthalmologist before 2 weeks
Assesment by consultant surgery for severe at 6-10 weeks
Screen pos at nipe 6-8 weeks - requires consultant review within 11 weeks

Question 6

What to look for

Answer 6

Normal shape and size
Symmetrically round pupils
Cornea clear
Eyelids postion and structure normal
Able to open eyes

Question 7

Other conditions

Answer 7

Conjunctivitis - eye infection
Glaucoma
Colobama

Question 8

Congenital cataracts

Answer 8

Causes central shadow completely obsecuring red reflec

Question 9

Incidence

Answer 9

2-3 in 10000 live births are bird with cataract
In over 50% both eyes affected
Most common treatable cause of blindness in childhood in uk and world

Question 10

Subconjunctive haemmorgae

Answer 10

Blood vessels in eye break ad leak blows when eye is injured
Blood collects between conjunctive an sclera leaving bright red spot
Put on body map as could be a sig of shaken baby