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  2. Periorbital dark circles - Wikipedia

    en.wikipedia.org/wiki/Periorbital_dark_circles

    Hay fever sufferers in particular will notice under-eye "smudges" during the height of the allergy season. Atopy can lead to frequent rubbing of the eyes, leading to local inflammation and increased pigmentation. [4] Also, dark circles from allergies are caused by superficial venous congestion [5] in the capillaries under the eyes.

  3. Cyanopsia - Wikipedia

    en.wikipedia.org/wiki/Cyanopsia

    Human Eye. Cyanopsia is a rare visual phenomenon characterized by a blue tint to vision. Most commonly associated with cataract surgery and certain medications, such as sildenafil, cyanopsia is typically a temporary side effect rather than a standalone disease.

  4. Blue field entoptic phenomenon - Wikipedia

    en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon

    The dots are white blood cells moving in the capillaries in front of the retina of the eye. [5] Blue light (optimal wavelength: 430 nm) is absorbed by the red blood cells that fill the capillaries. The eye and brain "edit out" the shadow lines of the capillaries, partially by dark adaptation of the photoreceptors lying beneath the capillaries ...

  5. Entoptic phenomenon - Wikipedia

    en.wikipedia.org/wiki/Entoptic_phenomenon

    Blue field entoptic phenomenon has the appearance of tiny bright dots moving rapidly along squiggly lines in the visual field. It is much more noticeable when viewed against a field of pure blue light and is caused by white blood cells moving in the capillaries in front of the retina .

  6. Allergic shiner - Wikipedia

    en.wikipedia.org/wiki/Allergic_shiner

    An allergic shiner is a dark discoloration below the eye that is associated with allergic rhinitis and is often seen in conjunction with bilateral Dennie–Morgan folds. These shiners are caused by venous congestion within the infraorbital groove , particularly from the nose .

  7. 30 Man-Made Innovations That Were Designed Mimicking ... - AOL

    www.aol.com/30-objects-were-directly-inspired...

    Venous leg ulcers in humans is a kind of an ulcer, due to abnormal vein function in the legs. The common causes for the disease include blood clots, injury, inheritance, ageing, lack of physical ...

  8. Periorbital puffiness - Wikipedia

    en.wikipedia.org/wiki/Periorbital_puffiness

    Periorbital puffiness, also known as puffy eyes, or swelling around the eyes, is the appearance of swelling in the tissues around the eyes, called the orbits. It is almost exclusively caused by fluid buildup around the eyes, or periorbital edema. Minor puffiness usually detectable below the eyes only is often called eye bags.

  9. FBI issues warning amid drone mystery: Don’t point lasers at ...

    www.aol.com/fbi-issues-warning-amid-drone...

    Amid growing anxieties surrounding reported drone sightings, the FBI has issued a warning against a new trend of pointing lasers at aircrafts.

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