You might love spending time outdoors, but with exposure to UV rays, dry weather, wind, and dust comes an increased risk of developing eye problems. Pterygium, or “surfer’s eye,” is one such condition.
A pterygium, characterized by a pinkish, triangular tissue growth on the surface of the eye, typically forms on the conjunctiva and may gradually extend onto the cornea. While this benign growth is usually harmless in its early stages, untreated pterygium can lead to various complications affecting vision and ocular health.
Understanding the potential consequences of leaving pterygium untreated is crucial for maintaining optimal eye function and comfort. This article will explore the progression of pterygium, its impact on vision, and why timely intervention is essential in managing this condition effectively.
What is Pterygium?
Pterygium, pronounced as ter-RIDGE-ee-um, is a benign growth of tissue on the conjunctiva, the thin, transparent membrane that covers the white part of the eye (sclera). This growth often appears as a raised, wedge-shaped bump with a pinkish color. It typically starts on the inner corner of the eye and may slowly extend towards the cornea (the dome-shaped, clear surface that covers the front of the eye).
It often has a triangular shape and a fleshy, elevated appearance on the surface of the eye. The pterygium usually develops on the inner corner of the eye, closest to the nose.
Pterygium is associated with exposure to ultraviolet (UV) light, especially from sunlight, and environmental factors like dust and wind. Chronic exposure to these elements can irritate the conjunctiva, leading to the development of pterygium.
Initially, pterygium may not cause symptoms. However, as it grows larger, it can cause dryness, redness, irritation, and a feeling of something in the eye. In more advanced cases, it can affect vision by inducing astigmatism or covering parts of the cornea.
Who Can Develop Pterygium?
Even though it is referred to as “surfer’s eye,” anyone can develop pterygium. However, there are certain factors that can make a person more likely to get one. These include:
- UV Exposure — Individuals who spend a lot of time outdoors without eye protection, especially in sunny or windy environments
- Where You Live — Living in a tropical climate close to the equator makes you more likely to develop pterygium. The so-called “pterygium belt” includes parts of Central and South America, Africa, and Southeast Asia.
- Age — Older adults have had more exposure to the elements over time and are, therefore, at higher risk for developing pterygium.
- Vitamin A Deficiency — Some studies have shown a correlation between low vitamin A levels and the presence of conjunctivitis and pterygium.
- Human Papillomavirus (HPV) — HPV has been associated with tumors of the conjunctiva, the mucus membrane that covers the front of the eye and the inside of the eyelids. Studies have been conducted to investigate if this virus is also a factor in pterygium, but they have been inconclusive.
- Genetics — A recent study has shown that the likelihood of developing pterygium is hereditary, with UV light and exposure to the elements triggering the condition.
How is Pterygium Diagnosed?
Diagnosing pterygium typically involves a comprehensive eye examination conducted by an eye care professional, such as an optometrist or ophthalmologist. If you are experiencing symptoms such as dryness, irritation, redness, or a gritty sensation in the eye, you should tell your eye doctor, as these are classic signs you might have pterygium.
Your doctor will probably use a slit lamp to examine your eye. A slit lamp is a special microscope with a bright light and magnifying lens that can examine the surface of your eye in detail. This allows the eye care provider to inspect the size, shape, and location of the pterygium.
In certain situations, imaging tests such as optical coherence tomography (OCT) may be performed to obtain detailed cross-sectional images of the eye’s tissues. This can help assess the thickness and involvement of the pterygium.
Based on these diagnostic findings, the eye care provider will determine the severity of the pterygium, its impact on vision, and whether treatment is necessary. If the pterygium is mild and causing no significant symptoms, it may simply be monitored periodically. However, if it is causing discomfort, affecting vision, or growing rapidly, treatment options such as lubricating eye drops, surgical removal (excision), or a combination of treatments may be recommended.
What Treatments Are Available?
Treatment options for pterygium depend on the size, symptoms, and progression of the growth. Mild cases may not require treatment beyond regular monitoring and the use of lubricating eye drops to alleviate discomfort. However, if the pterygium is causing significant symptoms or affecting vision, several treatment options may be considered.
Artificial Tears and Eye Drops
If the pterygium has not progressed much, artificial tears and lubricating eye drops are often recommended as a first-line treatment to provide symptom relief. In some cases, your eye doctor might prescribe steroid eye drops to reduce more pronounced inflammation and discomfort.
Surgery
Surgical removal, or excision, might be considered if the pterygium is large, causing significant vision problems, growing rapidly, or causing persistent discomfort that does not respond to conservative treatments.
During excision, the surgeon carefully removes the pterygium tissue from the eye’s surface. This is typically performed under local anesthesia as an outpatient procedure. After the removal, the area where the pterygium was cut away may be covered with a tissue graft to reduce the risk of recurrence and promote healing.
After surgical removal, it’s essential to follow your doctor’s instructions regarding post-operative care, which might include the use of eye drops, avoiding strenuous activity, and attending follow-up appointments to monitor healing and prevent complications.
Radiation Therapy
In some cases, low-dose radiation therapy may be considered to prevent the recurrence of pterygium after surgical removal, especially in cases of aggressive or recurrent growth.
What are the Consequences of Untreated Pterygium?
Though it is usually benign, untreated pterygium can lead to various consequences that affect both the comfort of the eye and visual function. Potential implications of leaving pterygium untreated include:
- Vision Disturbances — As the pterygium grows larger, it can change the shape of the cornea, causing astigmatism and blurred or distorted vision.
- Dry Eyes, Redness, and Irritation — Individuals with untreated pterygium may experience a persistent sensation of having something in their eye. The presence of pterygium can also result in chronic redness and irritation.
- Cosmetic Concerns — In more advanced cases, pterygium can become quite noticeable on the surface of the eye, which may cause self-consciousness or concern about appearance.
Turn to New Vision Eye Center for All Your Eye Care Needs
Given these potential consequences, seeking evaluation and appropriate treatment for pterygium is essential. Early detection and management can help alleviate discomfort, preserve vision, and reduce the likelihood of complications associated with this condition.
Regular eye exams are also essential, especially for individuals at higher risk due to environmental exposure or family history of the condition. If you’ve been experiencing symptoms of pterygium, or it’s just been a while since you had an eye exam, New Vision Eye Center can help.
Contact us today to make an appointment.