If you are interested in customised contact lens fitting, the Medmont Meridia should be on the top of your list for device purchases in 2025.
Additionally, according to Dr Daddi Fadel, an optometrist and Clinical Scientist at the Center for Ocular Research and Education (CORE) at the University of Waterloo, Canada, the device consolidates a multitude of examination tools in a single instrument, to enhance practice efficiency and elevate patient care and communication.
Alongside limbus-to-limbus colour topography, the Medmont Meridia offers advanced dry eye assessment functions that are indispensable for assessing the ocular surface and contact lens fit.
Specifically, these functions include anterior eye imaging and video (white, infrared, and cobalt light), meibography, fluorescein imaging and video, tear meniscus height and non-invasive tear break-up time tests, grading scales (Efron, BHVI, and Meiboscale), and engaging patient dry eye reports.
the Medmont Meridia’s “versatility and accuracy make it an invaluable asset in optometric practices worldwide
Furthermore, Dr Fadel said customisable dry eye reports, with integrated grading scales and questionnaires, make dry eye management, patient education, and compliance “more accessible”.
In a peer-reviewed paper published in Clinical Optometry, Dr Fadel observed that the Medmont Meridia’s “versatility and accuracy make it an invaluable asset in optometric practices worldwide”.
Touching on its topography technology, she said “a major advantage for Medmont topographers relates to the extensive corneal coverage of the Placido-disc imaging due to the small cone head size, which typically provides data up to a chord length of 10–11 mm, which is larger than the typical range of 6mm to 10mm for Placido imaging of the cornea…”
Figure 1. Topography analysis covering the entire cornea in (A) (11.14mm) and up to a chord length of 11.47mm in (B).
In the article, Dr Fadel wrote: “The contact lens module includes various lens designs that allow a corneal, ortho-k, and scleral lens fitting simulation over the captured topography image. The lens simulation program allows a more rapid and appropriate selection of the first diagnostic set and reduces the number of lenses applied to the eye. Additionally, the lens fitting simulation software enables the practitioner to make adjustments to the lens design while comprehending the effects of individual modifications on other parameters.”
She said, “all images and topographies saved in the same patient’s file can be sent directly to the manufacturing lab, where lab consultants can assist clinicians in the lens fitting process and make appropriate changes to the lens design”.
“Lens simulation from different designs available in the software and the free-form option also allow for an empirical fitting, providing a customised contact lens for each eye. One notable advantage of the Medmont Meridia is its coverage of up to approximately 14 mm. This extended range provides precise data for corneal lens fitting, especially in the mid and peripheral regions of the cornea, as well as for scleral lens parameters.”
Figure 2. Ortho-k (A) and scleral lens (B) fitting simulation.
Read the full article here.
For enquiries, email jason@medmont.com or call (AUS) 03 9259 0800.
Reference
Fadel D. Medmont Meridia: Much More Than a Corneal Topographer. Clin Optom (Auckl). 2023;15:283-301. doi.org/10.2147/OPTO.S433899
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