What is Glaucoma?
Glaucoma is a group of eye conditions that damage the optic nerve, the connection between the eye and the brain. This damage typically results from increased pressure inside the eye (intraocular pressure), which gradually causes the nerve tissue to atrophy (or die). In its late stages, this can result in a loss of peripheral vision.
While high intraocular pressure is a major risk factor, the exact mechanism of nerve death is unknown. In some cases, glaucoma can exist even when eye pressure is within a normal range (normal tension glaucoma). Conversely, a sudden closing of the drainage channels that control eye fluid can result in a rapid and severe form of the disease called acute angle closure glaucoma.
The key takeaway is that conditions like glaucoma can have no symptoms whatsoever until the disease has well and truly progressed. This highlights why a basic eye test is not enough; an Acuity Eyecare comprehensive eye exam, which includes our advanced clinical assessment methods and equipment, is essential to detect and diagnose early forms of this disease, to manage the risk of vision loss.
Early Glaucoma Detection Methods
Due to modern technology and improved clinical understanding, glaucoma can be well controlled in most cases when diagnosed early enough. At Acuity Eyecare, our comprehensive eye exams are specifically designed to detect and monitor glaucoma through three key methods:
OCT
Scanning
An OCT (optical coherence tomography) scan is like taking an X-ray of the back of the eye. It is invaluable in the early diagnosis and monitoring of glaucoma as it allows the optometrist to visualise and precisely measure the different layers of the retina and the optic nerve, detecting microscopic thinning that signals early nerve damage.
Fundus Photography
Our high-quality fundus camera takes detailed colour images of the retina and optic nerve. These photographs are used as a crucial baseline to more accurately detect subtle changes over time, which is essential for monitoring slow-progressing conditions like glaucoma and establishing a quantifiable record of your eye health.
Eye Pressure Measurement
Elevated intraocular pressure (IOP) is a major risk factor for glaucoma. While routine measurement often requires topical anesthetic drops and a dye, we are also equipped with the advanced 'I-Care' tonometer. This enables us to measure your IOP with minimal discomfort and without the need for drops, making the screening process quick and comfortable.
Treatment &
Co-Management
Because the treatment for all types of glaucoma involves lowering eye pressure, our optometrists can manage the condition effectively once detected. This typically involves ongoing monitoring and management with therapies such as prescription eye drops. In cases requiring advanced intervention (such as laser therapy or filtration surgery), our team will co-manage your care with a trusted ophthalmologist, ensuring you receive seamless and appropriate treatment for your glaucoma.