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Home Company updates & acquisitions

‘Full range of functional vision’ for presbyopes shown in NaturalVue contact lens study

by Staff Writer
February 6, 2024
in Company updates & acquisitions, Contact lenses, Eye disease, Local, News, Ophthalmic insights, Ophthalmic Treatments, Presbyopia
Reading Time: 2 mins read
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NaturalVue study

NaturalVue Multifocal 1 Day contact lenses are manufactured by Visioneering Technologies. Image: VTI.

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Visioneering Technologies (VTI) has heralded the results of a study investigating its NaturalVue Enhanced Multifocal 1 Day contact lenses in mature presbyopes, stating the lens preserved distance vision while extending the functional vision range to as close as 13 inches (33 cm).

Findings of the Defocus Curve study were presented at the Global Specialty Lens Symposium in Las Vegas on 18 January 2024.

“Eyecare practitioners can provide a solution to presbyopic patients who want to continue contact lens wear without sacrificing clarity or functional visual range even as their visual needs increase with age,” VTI stated.

The prospective, non-dispensing, single-masked (subject) study was conducted at four clinical sites. Mature presbyopes (age 50+; ADD requirement of > +2.00 D) were recruited to minimise the impact of residual accommodation and better quantify the performance of this extended depth of focus (EDOF) lens design.

The average age was 59.2 with patients ranging from ages 51 to 68. Respective average ADD was +2.24, ranging from +2.00 to +2.50, and prescriptions ranging from +2.75 D to -9.50 D.  No adverse events were reported.

Dr Douglas Benoit, executive director of medical affairs for VTI, delivered the presentation entitled: ‘Is it possible for one ADD to provide good vision to presbyopes of any age? The defocus curve says YES!’.

He shared study evaluated vision with the NaturalVue Multifocal in mature presbyopes whose visual demands can be challenging to meet. According to VTI, the data showed the NaturalVue lens provided a full range of functional vision, providing better than 20/40 (medicine bottle print size) binocular vision through up to 3.00 D optical vergence demand (33 cm/13 inches).

“This clinical data demonstrates that the NaturalVue Enhanced Multifocal contact lens design preserved distance vision and effectively extended the functional vision range from distance to as close as 13 inches of mature presbyopes (≥+2.00 D ADD requirements) under a wide range of pupil sizes,” a VTI statement said.

“The strong visual acuities observed indicate patients experienced minimal degradation across a wide visual range, suggesting the universal ADD enables rapid adaptation and represents a solution for presbyopes of all ages.”

More reading

Positive clinical trial data for paediatric myopia control lenses

Telling it like it is: kids and contact lenses

Glaukos trials eyelid cream to treat presbyopia and dry eye

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