Laser IridotomyWhat is a Laser IridotomyClosed-angle (of pupillary-block) glaucoma is one of many types of glaucoma. To better understand closed-angle glaucoma and its treatment, iridotomy . it is important to understand the different factors which determine eye pressure.In laser iridotomy, a small hole is placed in the iris (the colored portion of the eye). In most patients, the iridotomy is placed in the upper portion of the iris and cannot be seen under the upper eyelid.What is eye pressure?Aqueous humor (the nourishing fluid within the front of the eye) leaves the eye through a tiny drain called the trabecular meshwork.Laser Iridotomy Surgery India, Cost Laser Iridotomy Surgery Kolkata, Cost Laser Surgery, Laser Iridotomy Recovery, After Laser Iridotomy, Cost Laser Iridotomy Surgery, GlaucomaAqueous humor leaves the eye through a tiny drain called the trabecular meshwork, which is located just in front of the iris. The trabecular meshwork is located on the side of the eye, just in front of the iris (the part which gives an eye color). One type of glaucoma, pupillary-block glaucoma, occurs with the former. It is called pupillary-block glaucoma because the fluid is trapped behind the pupil.Pupillary-Block GlaucomaThe blockage of fluid flow between the iris and lens can cause the pressure behind the iris to rise. The iridotomy allows the flow of fluid to the front of the eye to be restored.Final hole in iris to release pressure in eye. Fluid can leave the eye through the trabecular meshwork again.How do lasers work to treat glaucoma?Lasers deliver a type of light energy. Still other eye drops may be used to reduce inflammation.The only kind of anesthesia required to perform a laser iridotomy is an eye drop (Figure 5). This is the same type of drop which your doctor places in your eye when the eye pressure is measured. With the eye drop, the laser surgery should be painless. Also, you may feel a pinch-like sensation.The only anesthesia required to perform a laser iridotomy is an eye drop.Your doctor will next place a special contact lens on your eye to focus the laser light upon the iris (Figure 6).