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2. Prism fusion range - Wikipedia

   en.wikipedia.org/wiki/Prism_fusion_range

   The prism fusion range (PFR) or fusional vergence amplitude is a clinical eye test performed by orthoptists, optometrists, and ophthalmologists to assess motor fusion, specifically the extent to which a patient can maintain binocular single vision (BSV) in the presence of increasing vergence demands. Motor fusion is largely accounted to ...

3. Fixation disparity - Wikipedia

   en.wikipedia.org/wiki/Fixation_disparity

   A fixation disparity is not constant within a certain observer, but can vary depending on the viewing conditions. If test prisms with increasing amount are placed in front of the observer’s eyes, the fixation disparity changes in the eso direction with base-in prisms and in the exo direction with base-out prisms (Fig. 3). These prisms force ...

4. Dissociated vertical deviation - Wikipedia

   en.wikipedia.org/wiki/Dissociated_vertical_deviation

   DVD can be revealed on ocular movement testing when one eye is occluded by the nose on lateral gaze. This eye will then elevate, simulating an inferior oblique over action. However, in a unilateral case, overaction of the superior rectus muscle in the unaffected dominant eye, can also be a causing factor as well as causing a V pattern exophoria.

5. Older migraine drugs more effective than some newer options ...

   www.aol.com/older-migraine-drugs-more-effective...

   Cipriani noted that, “despite their effectiveness, triptans are underused,” as, “according to European population-based data, only 3.4–22.4% of people with migraine are using triptans.”

6. Exotropia - Wikipedia

   en.wikipedia.org/wiki/Exotropia

   Specialty. Ophthalmology. Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia and usually involves more severe axis deviation than exophoria. People with exotropia often experience crossed diplopia. Intermittent exotropia is a fairly common condition. "Sensory exotropia" occurs in the presence ...

7. Maddox rod - Wikipedia

   en.wikipedia.org/wiki/Maddox_rod

   The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...

8. 6 Aldi Items Retirees Should Stock Up on Before Winter Hits - AOL

   www.aol.com/6-aldi-items-retirees-stock...

   Winter storms or power outages can make shopping difficult, especially for seniors. Aldi offers essential items like flashlights, batteries, and non-perishable foods (such as the previously ...

9. Exophoria - Wikipedia

   en.wikipedia.org/wiki/Exophoria

   Exophoria. Exophoria is a form of heterophoria in which there is a tendency of the eyes to deviate outward. [1] During examination, when the eyes are dissociated, the visual axes will appear to diverge away from one another. [2] The axis deviation in exophoria is usually mild compared with that of exotropia.