When a visually impaired person cannot arrange his or her surroundings for optimal viewing comfort, specific lens filters can be used to improve ill-adapted luminosity.

Filtering lenses protect eyes from the light and can also enhance brightness. There is a wide range of filter color and intensity and their choice depends on each individual person and the sensitivity of his or her eye. Filters can be used both inside and outside (in strong sunlight or when it’s cloudy) according to visual needs. Only tests with an eyecare professional will be able to confirm the filter or filters best adapted to patients’ vision.

There are different types of lens filters:

– Color filters: to help improve visual function by optimizing contrast perception.
– Polarizing filters: to reduce glare for wearers and heighten perception of color and relief.

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