www.goodhope.org.uk/eyedept/ Written by D Kinshuck Good Hope Hospital Eye Department 2001 Steroid eye drops (such as predsol) should not be used without advice from your ophthalmologist
The cornea is the ‘window’ of your eye. It is
The herpes simplex virus is very common.
Most people have a herpetic infection at
some time of their lives. However, only in a
few unlucky people does the virus affect
others. It has nothing to do with sex .that
The cornea
As the ulcer is like ‘paint on a window’
The virus causes a special type of corneal
A dendritic
ulcer, called ‘dendritic’ (after the latin term
that means ‘many fingered’). A dendritic ulcer has many ’fingers’, like the branch of a tree. It can be seen with the slit lamp microscope used to examine your eye.
Fluorescent yellow drops are used to show
5 times a day for 10 days. Depending on your particular ulcer, a different
A dendritic ulcer The cornea magnified: a ‘cut through’ diagram of your eye.
100% recovery. Sometimes you get a faint scar, although this is more likely without treatment.
If your eye is exceptionally red and achy a more serious infection may be present. You should not drive if your eye is very painful; rest is helpful. Most ulcers are 50% better in two days, but healing time is variable.
Smoking damages your eyes, causing cataracts and even blindness. A healthy lifestyle helps your eyes. Most cities have an Eye Casualty service (see text) where you can phone or visit for urgent advice.
‘Stromal’ or ‘herpetic’ keratitis
If the infection is in the substance of the cornea the
keratitis’ (also called ’disciform’
treatment. (Acyclovir is safe even if you
are mistaken and there is no infection.)
Hospital site (Dudley Road), that day or
keratitis
• what is the cornea?
• what is the herpes
frequently. If it does, preventative treatment
simplex virus?
may work. Acyclovir tablets 200mg once or
Like any infection, stress, overwork, or
• what are dendritic
twice a day halves the number of episodes, but
ulcers?
• do they recur? Use acyclovir eye cream, not the skin cream.
• how to reduce the Bring it to clinic each visit, with all your other number of recurrences drops and list of tablets you use. It is very
• what is stromal keratitis? safe. Use about 2cm length of cream 5 times a day at the beginning, but later in the episode as your eye heals you need less (5-10mm), Acyclovir eye cream although you may still need it 5 times a day.
Unless you have a very nasty red eye, if the episode starts one evening, you do not need to see your ophthalmologist or nurse until the next morning. Start the acyclovir cream if you have some.
7) Blepharospasm: Reduced blinking from injection of botulinum toxin into orbicularis muscle can lead to corneal exposure, persist-ent epithelial defect and corneal ulceration, especially in patients with VII nerve disorders. In the use of other botulinum toxin product for treatment of blepharospasm, one case of corneal perforation in an aphakic eye requiring corneal grafting has occurred becau
Searching the Internet for drug related websites; analysis of onlineavailable information on ecstasy (MDMA)Paolo Deluca1, PhD; Fabrizio Schifano1, MD, MRCPsych; and the Psychonaut research group21St. George’s, University of London, London (UK), 1 Division of Mental Health – Section of Addictive Behaviour,2Agosti Lisa (UK), Baldacchino Alex (UK), Bonan Caterina (I), Bothas Heikki (SF), Brigad