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Your eye doctor may advise you to use brighter lighting for daily tasks, anti-glare sunglasses, or even magnifying lenses -- all of which may help with your symptoms.

We have rounded up the best lenses for astrophotography, exactly what you need for capturing stunning shots of May's full moon and the Eta Aquarid meteor shower. Want to take stunning shots of the ...

Canon is making waves in the hybrid photography market with its latest release: the RF 20mm F1.4L VCM lens. This ultra-wide, high-aperture lens is designed for use with Canon’s full-frame mirrorless ...

This test is performed by shining a light into dilated eyes through a magnifying lens. This gives your eye care professional a straight line of sight to your optic nerve. Gonioscopy. This test allows ...

The colposcope is an instrument that stays outside the body and has magnifying lenses. It lets the doctor see the surface of the cervix up close and clearly. Colposcopy itself usually causes no more ...

These non-magnified optics, which use a battery to project a luminous red (and sometimes green) reticle onto a reflective glass lens are some of the most useful and versatile sighting systems ...

An icon of a house. An icon of the Instagram logo. An icon of the LinkedIn logo. An icon of a magnifying glass. A magnifying glass icon that is used to represent the function of searching.

The magnifier uses a variety of components [Ad_w00000] had lying around. For the optical side of things, an old Canon DSLR zoom lens was pressed into service as the main magnifying element.

An icon of a house. An icon of the Instagram logo. An icon of the LinkedIn logo. An icon of a magnifying glass. A magnifying glass icon that is used to represent the function of searching.