Southwest Florida's Health and Wellness Magazine Health and Wellness Articles
By Julie A. Carter, M.D. – Fellowship-Trained Glaucoma Specialist
Glaucoma, a group of eye diseases, poses a significant threat to vision worldwide. Characterized by damage to the optic nerve, it often progresses silently, leading to irreversible vision loss. However, with advancements in medical science and technology, there is hope for early detection and effective management of this condition. This article delves into the different types of glaucoma, explores diagnostic techniques, and discusses the treatment options available to combat this sight-stealing disease.
Types of Glaucoma
Glaucoma encompasses several subtypes, including primary open-angle glaucoma (POAG), angle-closure glaucoma, normal-tension glaucoma, and secondary glaucoma. POAG, the most common form, develops gradually without apparent symptoms until late stages. Angle-closure glaucoma occurs due to blocked drainage channels in the eye, causing rapid and painful increases in eye pressure. Normal-tension glaucoma involves optic nerve damage despite normal eye pressure, while secondary glaucoma arises as a result of other eye conditions or systemic diseases.
Diagnosing Glaucoma
Early diagnosis is crucial in preventing vision loss from glaucoma. Ophthalmologists employ various methods to evaluate the condition of the optic nerve, measure intraocular pressure (IOP), and assess the visual field. Regular eye examinations, including tonometry to measure IOP, fundoscopy to inspect the optic nerve, and visual field testing, are essential for detecting glaucoma. Additionally, advanced techniques like optical coherence tomography (OCT) and scanning laser polarimetry (SLP) aid in providing precise measurements of the optic nerve and retinal nerve fiber layer, enhancing diagnostic accuracy.
Treatment Options
The treatment of glaucoma aims to reduce intraocular pressure, the primary risk factor for optic nerve damage. Eye drops, such as prostaglandin analogs, beta-blockers, alpha agonists, and carbonic anhydrase inhibitors, are commonly prescribed to lower IOP. These medications work by either reducing the
production of aqueous humor or improving its outflow. Laser therapy, including selective laser trabeculoplasty (SLT) and laser peripheral iridotomy (LPI), can also help in controlling IOP. SLT enhances the drainage of fluid from the eye, while LPI creates a small opening to improve the outflow.
In more severe cases, surgical interventions may be necessary. Trabeculectomy, a filtration surgery, creates a new drainage channel to reduce IOP. Minimally invasive glaucoma surgeries (MIGS) have emerged as a viable option, involving the use of small devices to enhance fluid drainage. These procedures are less invasive and have quicker recovery times compared to traditional surgeries.
Promising Advances
Research is continually advancing our understanding of glaucoma and uncovering potential breakthroughs in its treatment. Gene therapy, neuroprotective agents, stem cell therapy, and novel drug delivery systems are areas of active investigation. Genetic testing may provide insights into a patient’s predisposition to glaucoma, aiding in early intervention. Additionally, emerging technologies, such as artificial intelligence and machine learning, show promise in assisting with glaucoma diagnosis and monitoring.
Glaucoma demands attention as a leading cause of irreversible blindness. Timely detection, diligent monitoring, and appropriate treatment can help preserve vision and improve patients’ quality of life. Regular eye examinations, compliance with prescribed medications, and lifestyle modifications, such as maintaining a healthy diet and managing systemic conditions, contribute to effective management. As research progresses, new diagnostic tools and treatment modalities offer hope for earlier intervention and improved outcomes in the battle against glaucoma.
JULIE A. CARTER, M.D.
Dr. Carter is a board-certified ophthalmologist with fellowship training in the specialty of Glaucoma.
Dr. Carter was born and raised in Sarasota, Florida. She attended Georgia Tech, where she earned a degree in mechanical engineering. After college, Dr. Carter worked for the Kimberly-Clark Corporation, where she contributed to patents on products ranging from baby diapers to surgeon’s gowns. During her time at Kimberly-Clark, she realized her passion was in medicine and returned to medical school at the University of South Florida, where she earned the honor of joining the Alpha Omega Alpha Honor Society.
Dr. Carter completed her ophthalmology residency at the University of South Florida, serving as Chief Resident. She completed an additional year of fellowship training in the specialty of glaucoma at the University of South Florida.
At Center For Sight, Dr. Carter treats general ophthalmology patients, in addition to glaucoma patients. She works closely with her glaucoma patients to develop an effective treatment plan to maintain and protect their eyesight. She feels that one of the most rewarding parts of her career is the opportunity to build long-term relationships with her patients; many of whom now feel like family.
In her free time, she enjoys spending time with her three children, her husband, Jason, and their many pets! She is passionate about healthy living and wellness. She is a member of the American Academy of Ophthalmology, the Collier County Medical Society and the Florida Society of Ophthalmology.
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700 Neapolitan Way, Naples, FL 34103