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  2. Esotropia - Wikipedia

    en.wikipedia.org/wiki/Esotropia

    Esotropia is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [1] It is the opposite of exotropia and usually involves more severe axis deviation than esophoria. Esotropia is sometimes erroneously called ...

  3. YouTube - Wikipedia

    en.wikipedia.org/wiki/YouTube

    YouTube is an American online video sharing platform owned by Google. Accessible worldwide, [note 1] YouTube launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of PayPal. Headquartered in San Bruno, California, United States, it is the second most visited website in the world, after Google Search.

  4. History of YouTube - Wikipedia

    en.wikipedia.org/wiki/History_of_YouTube

    YouTube is an American online video-sharing platform headquartered in San Bruno, California, founded by three former PayPal employees— Chad Hurley, Steve Chen, and Jawed Karim —in February 2005. Google bought the site in November 2006 for US$1.65 billion, since which it operates as one of Google's subsidiaries .

  5. Worth 4 dot test - Wikipedia

    en.wikipedia.org/wiki/Worth_4_dot_test

    assess degree of binocular vision. The Worth Four Light Test, also known as the Worth's four dot test or W4LT, is a clinical test mainly used for assessing a patient's degree of binocular vision and binocular single vision. Binocular vision involves an image being projected by each eye simultaneously into an area in space and being fused into a ...

  6. List of most-disliked YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-disliked...

    As of July 9, 2021, YouTube Rewind 2018 has over 7.1 million more dislikes than Justin Bieber's Baby . In March 2011, "Baby", which then had 1.17 million dislikes, was surpassed by the video for Rebecca Black 's "Friday", yielding more than 1.2 million dislikes. [6] ". Friday" amassed over three million dislikes before the video was taken down ...

  7. Censorship of YouTube - Wikipedia

    en.wikipedia.org/wiki/Censorship_of_YouTube

    The government allowed two days for the removal of the video or YouTube would be blocked in the country. On April 4, following YouTube's failure to remove the video, Nuh asked all Internet service providers to block access to YouTube. On April 5, YouTube was briefly blocked for testing by one ISP.

  8. List of most-liked YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-liked_YouTube...

    Less than a year later, on July 25, 2017, Luis Fonsi 's "Despacito" featuring Daddy Yankee claimed the top spot with 16.01 million likes. Despacito became the first YouTube video to reach 50 million likes on October 23, 2022. MrBeast holds the record for the most liked non-music video with "Would you fly to Paris for a Baguette".

  9. Four prism dioptre reflex test - Wikipedia

    en.wikipedia.org/wiki/Four_prism_dioptre_reflex_test

    The Four Prism Dioptre Reflex Test (also known as the 4 PRT, or 4 Prism Dioptre Base-out Test) is an objective, non-dissociative test used to prove the alignment of both eyes (i.e. the presence of binocular single vision) by assessing motor fusion. [1] Through the use of a 4 dioptre base out prism, diplopia is induced which is the driving force ...