LASER Technologies


The natural lens has a cellophane-like outer lining called the capsule. During cataract surgery the back membrane of the natural lens (posterior capsule) is left in place to support the artificial lens implant. The posterior capsule is normally clear, however, 3 out of 4 people who have cataract surgery will eventually develop a wrinkling or cloudiness of this membrane.
The wrinkling or cloudiness which can develop months or years later is a result of scarring (a normal healing response) and can interfere with vision in ways similar to the original cataract. If the clouding of the posterior capsule interferes with your vision, your ophthalmologist may suggest opening the capsule to restore normal sight.
This is done with a procedure called YAG laser capsulotomy, whereby your doctor uses a laser beam to make a tiny hole in the posterior membrane to let light pass through and restore clear vision.
YAG laser posterior capsulotomy is an outpatient procedure. It does not require anesthesia, and it is painless.


Normally intraocular fluid flows freely between the anterior and posterior sections of the eye. As pressure builds in the eye, this circulation is cut off. If fluid cannot be drained, it may build up inside the eye and cause damage to the optic nerve. Laser peripheral iridotomy is a treatment where the surgeon uses a YAG laser to create a small hole in the peripheral iris. This improves the circulation of fluid inside the eye and widens the anterior chamber angle. Fluid which is produced behind the iris has easier access to the eye’s internal drainage system. Sometimes this lowers the intraocular pressure, but that is not the primary goal of laser peripheral iridotomy. The primary goal of the procedure is to lessen the risk of acute angle-closure glaucoma.


Selective Laser Trabeculoplasty, or SLT, is a form of laser surgery that is used to lower intraocular pressure in glaucoma patients. It is used when eye drop medications are not lowering the eye pressure enough or are causing significant side effects.
Laser energy is applied to the drainage tissue in the eye. This starts a chemical and biological change in the tissue that results in better drainage of fluid through the drain and out of the eye. This eventually results in lowering of IOP. It may take 1-3 months for the results to appear.
SLT is not associated with systemic side effects or the compliance and cost issues of medications. It utilizes selective photothermolysis to target only specific cells, leaving the surrounding tissue intact. SLT stimulates the body’s natural mechanisms to enhance outflow of the fluid in your eye.


A laser with ionized argon is the active medium, whose beam is in the blue and green visible light spectrum. These types of lasers are used for ophthalmic procedures, including retinal photocoagulation, retinal phototherapy, trabeculoplasty for treating glaucoma, diabetic eye disease, and holes and tears in the retina.
During Argon Laser Treatment a highly concentrated beam of light is used. Laser treatment is given to prevent deterioration in your eye condition, and occasionally to cure it.
Study shows that in patients with non-proliferative diabetic retinopathy focal macular grid therapy by Argon green laser facilitates improvement of visual acuity as it causes a regression of macular edema. In patients with proliferative retinopathy combined focal and scatter Argon green laser therapy improves the visual acuity and facilitates regression of neovascularization and macular edema. Further it reduces the chances of severe visual loss due to vitreous hemorrhage, tractional retinal detachment and glaucoma.

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