Noise sensitivity may develop as a result of an abnormality in the middle or inner ear. Trauma to the ear may cause noise sensitivity. Noise sensitivity may be present with migraine headaches. Noise sensitivity may occur as a side effect of certain medications. Noise sensitivity may occur as a result of an ear infection. People with misophonia find it impossible to tolerate certain sounds.
Types of Eyeglass Lenses. Single Vision. The single vision lens is prescribed if you need correction for one field of vision, either for distance or items up close. Eyeglass Lens Direct offers a number of options for the single vision lens wearer.
They offer natural, comfortable vision to anyone challenged by presbyopia. With over 400 million pairs sold, Varilux is the progressive lens brand most prescribed by Eyecare Professionals and trusted by millions of satisfied wearers.rogressive lenses feature a continuous field of vision with no lines. Bifocal lenses provide a distinct near and far viewing area, but no intermediate area (3-20 feet away). The different viewing areas are separated by noticeable lines that can be awkward, abrupt, and frustrating to the wearer.