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Complete Eye Exam in Istanbul – Risus Clinic, it is referred to as the "silent thief of sight," more than half of glaucoma patients are unaware of their condition. High IOP can cause injury to the optic nerve and neurons in the retina before vision changes occur. Glaucoma causes gradual vision loss, impacting peripheral vision first.

Vision loss and blindness caused by glaucoma must be prevented by means of thorough eye examinations. These examinations detect elevated IOP before damage occurs, and the sooner you begin glaucoma treatment, the less likely you are to experience significant vision loss.

The exception is acute angle-closure, which causes sudden vision changes and is accompanied by headache, nausea, severe eye pain, blurred vision, and in some cases rainbow-like halos when gazing at lights. This type of glaucoma is a medical emergency requiring prompt IOP reduction to prevent vision loss.

PRK (photorefractive keratectomy) is an alternative to LASIK for patients who are not optimal candidates for the procedure. While the two surgeries are comparable in most respects, the construction of the corneal flap is the primary difference. With LASIK, your ophthalmologist creates a small corneal incision using a laser so that the cornea can be reshaped. In contrast, with PRK, your ophthalmologist removes the cornea's outermost layer (the epithelium) to gain access to the cornea. In the subsequent weeks, the epithelium regenerates, but this delays recovery. 

As LASIK yields faster results, it is by far the most prevalent option. However, patients who are not optimal candidates for LASIK may be recommended PRK. Patients with thin corneas, chronic dry eye, or extreme astigmatism fall into this category. Patients who participate in contact sports (and are therefore more susceptible to eye injuries) frequently choose PRK to prevent a potential corneal flap complication.

Unfortunately, neither treatment nor surgery can restore vision once it has been lost due to glaucoma. In glaucoma patients, the abnormally high intraocular pressure (IOP) damages the optic nerve and the neurons in the retina (the light-sensitive tissue lining the rear of the eyes).

Depending on the severity of the eye disease, glaucoma will vary. Common visual symptoms include the need for more light to see clearly, impaired vision, poor contrast vision, loss of peripheral (side) vision, and glare perception.

As glaucoma progresses, daily activities can be challenging. Observing objects and images with similar tones can be difficult, and light sensitivity and glare on reflective surfaces can exacerbate these difficulties.

You can lessen the impact of these visual glaucoma symptoms by avoiding nighttime driving for safety reasons and by wearing tinted sunglasses and eyeglass lenses to enhance contrast and reduce glare. In most commercial buildings, lenses with a yellow, brown, or amber hue may work best to reduce or eliminate the glare caused by fluorescent lighting.

Glaucoma treatment typically begins with eye drops prescribed to reduce eye pressure and prevent nerve injury. As the disease progresses, laser therapy and surgery may be required to drain the surplus fluid and reduce IOP. MIGS (minimally invasive glaucoma surgeries) operate to drain fluid and control intraocular pressure (IOP) but reduce the side effects of more invasive surgeries by using tiny incisions and microscopic equipment.

Glaucoma is a category of eye diseases distinguished by elevated intraocular pressure. You are more likely to develop glaucoma if you have the following risk factors:

• You are over the age of 60.
• You are of African descent.
• You suffer from diabetes or another systemic illness, migraines, or poor circulation.
• You have an ocular injury history.
• A parent or grandparent of yours has open-angle glaucoma. (A close relative with glaucoma can increase your risk by four to ninefold.)

This eye disease is more prevalent in people aged 60 and older, but in uncommon cases it can occur at birth or in younger individuals (congenital or developmental glaucoma).

Your need for corrective lenses will depend on the type of IOLs you choose. The Laser Eye Centre of Miami offers a variety of IOLs, some of which can correct refractive errors and allow you to see without the need for glasses or contacts. Discuss IOL options during your consultation with your surgeon.