What is Glaucoma?
Glaucoma is a group of eye diseases that cause progressive damage of the optic nerve at the point where it leaves the eye to carry visual information to the brain.
If left untreated, most types of glaucoma progress (without warning nor obvious symptoms to the patient) towards gradually worsening visual damage and may lead to blindness. Once incurred, visual damage is mostly irreversible, and this has led to glaucoma being described as the “silent blinding disease” or the “sneak thief of sight”.
Glaucoma Facts – Worldwide
- 78 million have glaucoma
- 111.8 million are predicted to have glaucoma by 2040
- Glaucoma is the most common cause of irreversible blindness
- In many cases, glaucoma may be asymptomatic, meaning it shows no symptoms; half of those living with glaucoma are unaware that they are affected
- Every 1 in 200 people aged 40 have glaucoma, which rises to 1 in 8 by aged 80.
- The earlier the diagnosis, the less damage will be done and the more vision will be saved!
(Source: WGA, https://wga.one/wga/what-is-glaucoma/)
Patients don’t see their scotoma!
The normal driver’s view
Common textbook illustration of a glaucomatous field defect
The patient’s view: no apparent scotoma
“Glaucoma is one of the leading causes of irreversible blindness, but with early treatment, the damage may get limited and sight may be saved.”
Fabian Lerner
President World Glaucoma Association
(2020 – 2021)
“By promoting regular testing, we also want glaucoma patients to get their relatives involved, as the chances of them getting glaucoma are 10 times higher than someone with no glaucoma history in their close family environment.”
Ivan Goldberg
Council Member World Glaucoma Association
That’s how OCULUS supports Eye Specialists
OCULUS has a number of methods and options to offer when it comes to glaucoma screening, follow-up and patient management:
Tonometry, perimetry, tomography, pachymetry and, new to the range, the Biomechanical Glaucoma Factor for early detection of normal tension glaucoma as well as biomechanically corrected intraocular pressure. All this is available from OCULUS.
Please note: The new GONIO ready® is not yet featured in the Glaucoma Experts’ brochure. Please visit oculussurgical.com/gonio-ready.html to learn more.
Tonometry
Simple Mounting on the Slit Lamp.
The Easygraph comes complete with a slit lamp adapter and holder. These make it easy to move the Easygraph from the work position to the idle position. After using the Easygraph, you can resume the examination with the slit lamp as normal.
Biomechanical corrected IOP (bIOP)
The biomechanical corrected IOP (bIOP) takes corneal thickness, age and the biomechanical properties of the cornea into consideration. This enables an accurate IOP estimation even in case of altered biomechanical properties1.
Biomechanical Glaucoma Factor (BGF): Screening for normal tension glaucoma
Intraocular pressure measurement will not indicate any elevated risk for glaucoma and also the optic nerve head might appear relatively normal. In Europe up to 30 percent of primary open angle glaucoma patients have a normal intraocular pressure, in Asia the incidence of NTG is even higher.
The Biomechanical Glaucoma Factor (BGF)2 was developed for the Corvis® ST and is an independent risk factor for normal tension glaucoma and can be used to screen for NTG patients.
Perimetry
Monitoring of retinal function has long been used in the diagnosis and follow-up of glaucoma. OCULUS has the right perimeter for every use: from spherical bowl perimeters covering a 90° visual field suited for all possible indications to compact devices covering the central visual field.
Even with an increasing number of various advanced imaging methods, perimetry remains the only method at hand for direct and comprehensive measurement of the visual function. Visual field tests continue to represent an important tool in early detection, staging and progression control of glaucoma. In the hand of an experienced practitioner, a perimeter is more than just a device for final confirmation of suspicions raised by previous diagnostic procedures; it can provide by itself precise and reliable information necessary for a diagnosis.
OCULUS offers a range of perimeters for every use: from 30° to 90° eccentricity, static and kinetic perimetry, portable or mounted on a purpose-designed table. All four perimeters from OCULUS are united by one and the same unique software. They are intuitive to operate and powered by extremely fast and reliable strategies – good for you, good for your patients.
Smartfield
Optimized for monitoring functional impairment in glaucoma
Easyfield® C
Full-fledged compact perimeter, up to 30° eccentricity
Centerfield® 2
Compact projection perimeter, up to 70° eccentricity
Twinfield® 2
Versatile projection perimeter, up to 90° eccentricity
Scheimpflug Imaging
Glaucoma is one of the most common eye diseases. The Fast Screening Report is a tool for detecting abnormalities quickly. Make use of the evaluation of anterior chamber angle, depth, volume and corneal pachymetry data based against published papers
Pentacam®
The Pentacam® provides automatic evaluation of the anterior eye segment, from the anterior corneal surface to the posterior lens surface using a rotating Scheimpflug camera. The non-contact measuring process takes only 2 seconds and performs up to 50 single captures. In total, up to 138 000 true elevation points are detected and processed to a 3D model of the anterior eye segment.
Pentacam®
The Gold Standard for anterior eye segment tomography
Pentacam® HR
High-resolution Scheimpflug images of the anterior eye segment
Pentacam® AXL
Anterior segment tomography and optical biometry
Pentacam® AXL Wave
Anterior segment tomography, optical biometry, objective refraction, retroillumination and wavefront aberrometry
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