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The Amsler grid showing the visual perception of the left eye of a person experiencing metamorphopsia (straight lines appear bent or curved) [1] [2]. Metamorphopsia (from Ancient Greek: μεταμορφοψία, metamorphopsia, 'seeing mutated shapes') is a type of distorted vision in which a grid of straight lines appears wavy or partially blank.
Much of the scientific work on optography was performed by the German physiologist Wilhelm Kühne.Inspired by Franz Christian Boll's discovery of rhodopsin (or "visual purple")—a photosensitive pigment present in the rods of the retina—Kühne discovered that, under ideal circumstances, the rhodopsin could be "fixed" like a photographic negative.
An afterimage in general is an optical illusion that refers to an image continuing to appear after exposure to the original image has ceased. Prolonged viewing of the colored patch induces an afterimage of the complementary color (for example, yellow color induces a bluish afterimage).
We’ve done the work of gathering the 70 best breakup quotes ever—sourced from your fave celebs, movies, TV shows, literature, and love songs—so you can concentrate on saying goodbye + good ...
Breakups are a deeply emotional time, especially if you've been together for a long time. The added stress of separating your finances can also feel messy, if not managed right. Thankfully, experts...
1) You’ve survived a breakup, taken a bit of time to honor the no-contact rule and now want to text your ex, or 2) it’s your friend’s breakup, and they could use som
AOL's Search and Recover can assist you in locating any lost files or folders that may have been mistakenly deleted. Search and Recover is able to perform recoveries for many digital media and devices including cameras, music players, CDs, DVDs, memory cards and flash drives. Please note that solid state drives aren't covered. Additional info
Search and Recover can rescue crucial work and cherished memories you thought were gone forever. It's fast and easy to use, and even data lost years ago can be recovered.