ࡱ> 463y bjbj .{{ 5::8&&&z||||||$!W$r&&&&&j&&z&z&&:,j&`Rl7fR f0R$>$j$j&# /SP$: Z: Laser Iridotomy Leeds Teaching Hospitals Trust This leaflet explains R J Hall March 2015 Narrow angles angle closure glaucoma (acute and chronic) laser iridotomy Some people have an unusual shape at the front of their eyes (narrow angles) which can cause problems with pressure inside the eyes. Raised eye pressure can cause episodes of misty vision, sometimes with the appearance of rainbow haloes around lights, and aching in the eye or brow. These episodes may stop by themselves or may develop into a full-blown attack of acute angle closure which may cause permanent damage to sight if not treated urgently. Narrow angles can also cause chronic narrow angle glaucoma which has no symptoms but can slowly cause blindness because of damage to the optic nerve at the back of the eye. Laser iridotomy is used to reduce the risk of sight loss due to high pressure in eyes with this type of unusual shape. The procedure is done as an outpatient. You will have your vision checked and then Pilocarpine drops will be put in both eyes. Sometimes these drops give you a headache. You will be asked to sign a consent form. The risks of treatment are Bleeding: the iris is a muscle so sometimes bleeds when the laser hole is made. Inflammation: you will be given drops to reduce this. Rise in pressure: Some people will continue to need eye drops for treatment of pressure. Sometimes a second treatment is necessary if the first is not sufficient. This is more likely in brown eyes where the iris muscle is thicker. Brief blurred vision (common) Visual disturbances such as intermittent grey/ white lines of light (due to light entering the eye through the laser hole. Worsening of cataract which was present before the laser treatment. Anaesthetic (numbing) drops will be put in your eyes. You will sit at the laser machine which is like the normal examination slit lamp. When the laser fires, you may feel a stinging sensation, or the feeling of a bit of grit in the eye, and you may hear a crackling sound or see red lights. Treatment takes a few minutes per eye. You will be given eye drops to use until your next appointment and sometimes tablets to take for a day or two. These may make your fingers tingle, and sometimes can cause nausea or tiredness. You should tell the doctor of any drug allergies as this might alter the medication given. If you have been given drops for glaucoma or high eye pressure, please continue to take these unless otherwise instructed.      FILENAME \p F:\Laser Iridotomy.doc 567DLMQ^ioqstu V X \ , ? 5 6 D c + Ȼնљююцљ~zvrnjhhNh;[}hu9hhh5h3h35h3 hpkhpkhpkhpk5 h5hh35hh#%5 h85hhu95 h5 h`5hhpkh#%h`hNh#%5CJaJhu95CJaJhh#%5>*CJaJ)67t 5 V # | (2 $ & Fa$gd$a$gd3 & Fgd#%gd ugd#%+ - U V _  4 5 W ` n z | (!1DGHuLMhw@CJaJmHnHuh{hw@CJaJjh{hw@CJUaJh^jh^U h3h:h:h5YrhNh5hu9hNhpkhw@h)9h%hh3hh u8$a$gd3  h3h:h^,1h. 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