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Corneal Ulcer – Contact Lens Keratitis

Patients with suspected ulcers or contact lens keratitis should be referred to ophthalmology for further management and investigations

Always have a high level of suspicion in patients who wear contact lenses if they present with a painful red eye. Consider keratitis even if they have had an injury suggesting abrasion/foreign body. They require examination under slit lamp by an experienced optometrist/ophthalmologist to rule out contact lens keratitis. This tends to be a small circular lesion which stains with fluorescein.

Recommendations to contact lens wearers include washing hands prior to inserting lenses. Having contact lens free days each week and ensuring lenses are not worn for longer than 8-10 hours a day are important to prevent corneal hypoxia. Avoid swimming and showering in contact lenses as these increase the risk of acanthamoeba infection. Prescription goggles/sunglasses at a reasonable price are available online/from high street optometrists.

Patients with these conditions will present with a painful red eye, gritty sensation and photophobia. If pain is severe and out of proportion to what is seen with fluorescein staining acanthamoeba should be considered.

If a contact lens wearer develops conjunctivitis they should avoid lenses until this completely clears up as this increases the risk of a secondary keratitis.

Following treatment for a contact lens related infection lenses should not be resumed until follow up with an optometrist. They may advise different lenses and less frequent use.

In some cases patients with corneal ulcers require admission to the ward for intensive hourly antibiotic drops.

Who to refer:

Please see Lothian GP and optometry ophthalmology referral pathway.

Urgency of the condition for details on how soon patients should receive an appointment.

Patients who present with a problem with their only seeing eye should be advised to see an optician/ophthalmologist for review.

How to refer:

We require a referral letter for EVERY patient.

The preferred referral process is via SCI Gateway. If sending/forwarding a referral via SCI gateway please include past medical history, allergies and medications

If you do not have access to fax or SCI Gateway e.g. if you have arranged an appointment out of hours please send a written referral letter with the patient to bring to their appointment.

Only if SCI Gateway is unavailable should a letter be typed or handwritten. Please write legibly and include your examination findings.

If you have arranged an appointment in the acute referral clinic and you are referring from within another hospital in Lothian please use TRAK to type the referral letter.