(239) 772-2122

(239) 368-1020

(239) 949-1190

Laser Treatment for Glaucoma

Argon Laser Trabeculoplasty (ALT)

ALT was the first laser treatment that was used to lower eye pressure in open-angle glaucoma patients. It is not used very much as another laser has improved the results from laser trabeculoplasty. An argon wave length laser is used to open the fluid channels in the trabecular meshwork. This laser usually lowered the eye pressure in 75% of patients. Usually ½ of the meshwork is treated and the second half can be treated later if necessary. This laser can only be used one in treating glaucoma as more treatment may actually increase eye pressure.

Selective Laser Trabeculoplasty (SLT)

SLT selectively treats the trabecular meshwork. The laser stimulates the body’s own healing response to lower the eye pressure. SLT improve the outflow of fluid through the trabecular meshwork lowering the eye pressure.

The laser is attached to a slit lamp in the eye doctor’s office which the eye doctors use to examine the eye. A numbing eye drop is instilled into the eye for anesthesia. A contact lens is placed on the eye to visualize the trabecular meshwork. The laser is then applied around the inside of the eye in the trabecular meshwork. The procedure only takes a few minutes to perform. The treatment usually lasts for several years and may be repeated if necessary.

The eye doctor will have you use an anti-inflammatory eye drop medication for several days after the treatment. You should be able to drive home after the procedure is completed. The eye doctor will have you return for follow up visits to monitor the effectiveness of the treatment. It takes about 6 weeks for the final result of the laser treatment to be known.

There are very few side effects from SLT. Some patients may have some inflammation after the treatment, or may have a temporary increase in eye pressure. The eye pressure lowering affect is usually equivalent to the stronger eye drop medications.

Selective Laser Trabeculoplasty (SLT)

Laser Iridotomy

Laser peripheral iridotomy is the treatment indicated for the treatment of angle-closure glaucoma and people with very narrow angles who are at risk of developing angle-closure glaucoma.

Angle-closure closed usually happens as a rapid rise in eye pressure that can severely and permanently damage the eye with loss of vision. The iris is too close to the cornea and totally blocks the flow of fluid out of the eye.

The laser is attached to a slit lamp. The pupil is constricted with eye drops to facilitate the laser procedure. A numbing eye drop is instilled into the eye for anesthesia. The small opening is made in the iris in the peripheral part of the iris. This opening allows the fluid direct access to the trabecular meshwork and letting the fluid out of the eye. It is like putting in a safety valve to stop the angle from closing.

After the procedure, there could be some minor bleeding and inflammation that are temporary. The iridotomy could close later and retreatment may be necessary. You will use anti-inflammatory eye drops for several days after the procedure.

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  • (One of Dr. Croley’s patients wrote the following letter to local news organizations)

    Good Afternoon:
    Thought I’d give you a heads-up for a true community service feature.

    James Croley, MD is an eye surgeon located in Cape Coral [Bonita Springs and Lehigh Acres]. He has been serving in Cape Coral for about 30 years and has grown to be world renowned.

    Dr. Croley enjoys a reputation, as a result of his professionalism and accomplishments, that serve to set him apart from any other in a delicate field. He’s a giving, feeling individual, dedicated to making better those things that serve to improve the quality of life in our society.

    Dr. Croley has now authored a fabulous book entitled “Believing is Seeing.” The book is designed to provide insights into how to improve one’s health and welfare in a complicated world….and does just that!

    I believe that a feature focusing on the life and times of this extraordinary man would represent a true community service.
    In line with the Doctor’s giving persona…proceeds from the book sales will be donated towards Missions.

    Happy Easter & God Bless,

  • Dr. Croley,
    Thank you for seeing me as a new patient! You came highly recommended by [a friend] and I found my experience to be not only professional and thorough, but friendly as well! See you in February for a six-month check.

    My Best,

    Ps. It was a pleasure meeting your staff as well!”

  • Very professional office, staff and doctor.

  • I did not always know why I was doing some procedures but the end result was great and much better than expected.

  • I trust Dr.Croley with my eyes. He is the best eye doctor I have ever been to. He is genuinely concerned about my pressures and being diabetic he keeps track of any changes. I would and have recommended him to my friends. I feel blessed that Dr. Croley is looking after me.

  • Trust completely. Do not want to ever have to change doctor.

  • Very pleased and love the entire staff. Will highly recommend Dr. Croley. I have good results.

  • I’m now excited to get the other eye done.

  • Dr.Croley and his friendly, efficient staff make my appointments very pleasant. I also appreciate Dr. Croley’s current knowledge of new procedures and possibilities.

  • Very nice office, great staff very caring & friendly

  • Has many patients but devotes time only for you when with you. Made me feel very much at ease with her compassion and personal interest. Office staff very courteous & definitely trust Dr. Croley.

  • Dr.Croley is well-versed and articulate and maintains state-of-the-art knowledge and technology. No reservations in recommendations.


The Cataract & Refractive
Institute of Florida

James E. Croley III, M.D.

Office Hours

  • Monday

    7:30am – 4:00pm
    Dr. Croley sees patients at 7:30am in Cape Coral.

  • Tuesday

    8:00am – 4:00pm
    Dr. Croley performs surgeries on this day.

  • Wednesday

    7:30am – 4:00pm
    Dr. Croley sees patients at 7:30am in Cape Coral.

  • Thursday

    8:00am – 3:30pm
    Dr. Croley sees patients at 8:30am in Lehigh.

  • Friday

    8:00am – 3:30pm
    Dr. Croley alternates also in Bonita & Cape Coral.

Request an Appointment

(239) 772-2122

(239) 368-1020

(239) 949-1190