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2. Amaurosis fugax - Wikipedia

   en.wikipedia.org/wiki/Amaurosis_fugax

   Temporary vasospasm leading to decreased blood flow can be a cause of amaurosis fugax. [14] [15] Generally, these episodes are brief, lasting no longer than five minutes, [16] and have been associated with exercise. [10] [17] These vasospastic episodes are not restricted to young and healthy individuals. "Observations suggest that a systemic ...

3. Flash blindness - Wikipedia

   en.wikipedia.org/wiki/Flash_blindness

   Flash blindness is an either temporary or permanent visual impairment during and following exposure of a varying length of time to a light flash of extremely high intensity, such as a nuclear explosion, flash photograph, lightning strike, or extremely bright light, i.e. a searchlight, laser pointer, landing lights or ultraviolet light. [1]

4. Photic retinopathy - Wikipedia

   en.wikipedia.org/wiki/Photic_retinopathy

   Impairment of a person with 20/20 vision usually ends up being about 20/40 or 20/60, but can be better or far worse. [ 7 ] A doctor examining an eye with retinopathy may be able to see no signs at all, or a slight macular edema , which is a sort of blister on or under the macula , an oval colored spot normally visible to an eye doctor on each ...

5. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. Hunting blind - Wikipedia

   en.wikipedia.org/wiki/Hunting_blind

   Duck blinds in the grain fields in south central Oregon and north central California can be as simple as a hunter walking three to five kilometres (2–3 mi) out into a grain field, stopping at a dike, a raised area, 60 cm (2 ft) or so high, 3–3.6 m (10–12 ft) wide and usually 800 m (1 ⁄ 2 mi) or so long on a side. The hunter simply sits ...

7. Window blind - Wikipedia

   en.wikipedia.org/wiki/Window_blind

   Various window blind styles. A window blind is a type of window covering. [1] There are many different kinds of window blinds which use a variety of control systems. A typical window blind is made up of several long horizontal or vertical slats of various types of hard material, including wood, plastic or metal which are held together by cords that run through the blind slats.