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2. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   Yoked prism can move the image away from primary gaze without the need for a constant head tilt or turn. Prism correction is measured in prism dioptres. A prescription that specifies prism correction will also specify the "base". The base is the thickest part of the lens and is opposite from the apex.

3. Homonymous hemianopsia - Wikipedia

   en.wikipedia.org/wiki/Homonymous_hemianopsia

   Homonymous hemianopsia. Hemianopsia, or hemianopia, is a visual field loss on the left or right side of the vertical midline. It can affect one eye but usually affects both eyes. Homonymous hemianopsia (or homonymous hemianopia) is hemianopic visual field loss on the same side of both eyes. Homonymous hemianopsia occurs because the right half ...

4. Prism (optics) - Wikipedia

   en.wikipedia.org/wiki/Prism_(optics)

   Prism spectacles with a single prism perform a relative displacement of the two eyes, thereby correcting eso-, exo, hyper- or hypotropia. In contrast, spectacles with prisms of equal power for both eyes, called yoked prisms (also: conjugate prisms , ambient lenses or performance glasses ) shift the visual field of both eyes to the same extent.

5. Does Your Dog Need Eclipse Glasses? Our Expert Weighs In - AOL

   www.aol.com/lifestyle/does-dog-eclipse-glasses...

   You might want to keep pets inside on April 8. An expert reveals how the eclipse might have an effect on your four-legged family members.

6. Eyeglass prescription - Wikipedia

   en.wikipedia.org/wiki/Eyeglass_prescription

   Eyeglass prescription. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient. If an eye examination indicates that corrective lenses are appropriate, the ...

7. 20+ Strange Pet Behaviors Finally Explained By Experts - AOL

   www.aol.com/lifestyle/20-strange-pet-behaviors...

   2. Yawning. When humans yawn, it’s a physical response to being tired or bored. And dogs will yawn when they’re tired, yes, but they’ll also do so to express passive behavior in a group. If ...