Download Disease of cornea

DEPARTMENT OF COUNSELLING
Disease of Cornea
ARAVIND EYE CARE SYSTEM
Aravind Eye Hospital
& Postgraduate Institute of Ophthalmology
What is Cornea?
 It is a transparent watch glass like
membraneous tissue which forms the front
1/6 of the eye ball
 It lacks blood vessels (avascular) and thus
is transparent ie., allows light rays to pass
through unhindered for good vision
 So, it can be transplanted without fear of
rejection
Diseases of Cornea
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Corneal ulcers
Pterygium
Corneal opacity
Injuries
 Conjunctivitis
 Dystrophies
 Corneal shape
disorders –
keratoconus,
cornea planna
Corneal Ulcers
It is an infective or sterile breach in the
corneal surface
Cause:
 Injury
 Infection by microorganisms (eg.
Bacteria, fungi, viruses)
 Exposure to dust and even contact
lenses see to be common sources of
infection
Symptoms
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Pain
Redness
Defective vision
Discomfort to the patients
Treatment
 Early stage of the corneal ulcer can be easily cured
by medications
 But at the severe stage of the corneal ulcer some
corneal transplantation surgery need for the patient
 The treatment is for healing only not for vision
improvement
 After healing the scar of the corneal ulcer it makes
white opacity of the cornea
Cont…
 So the cornea losses it transparency due
the loss of vision
 PKP – Penetrating Kerato Plasty
surgery is done for vision improvement
under gradual visual progression
Role of the counsellor
 Should explain the need for proper
compliance with medications and
appropriate review as advised by the
doctor
 Importance of the correct follow up
 Explain do’s and don’t
Do’s:
 Must wear the protective glass
 Must use the medicines properly
 Keep the medicines and medicine box in clean area
 Wash the hands before applying drops
 Clean the eye daily
 Must avoid dirty place
Don’t:
 Rub the eyes
 Take head bath
 Drive two wheelers
Conclusion:
Creating awareness of corneal ulcer