Journal Source: American Academy of Ophthalmology

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may have an effect on your browsing experience.

Necessary

Always Enabled

Functional

Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.

Cookie	Duration	Description
yt-player-headers-readable	never	The yt-player-headers-readable cookie is used by YouTube to store user preferences related to video playback and interface, enhancing the user's viewing experience.
yt-remote-cast-available	session	The yt-remote-cast-available cookie is used to store the user's preferences regarding whether casting is available on their YouTube video player.
yt-remote-cast-installed	session	The yt-remote-cast-installed cookie is used to store the user's video player preferences using embedded YouTube video.
yt-remote-connected-devices	never	YouTube sets this cookie to store the user's video preferences using embedded YouTube videos.
yt-remote-device-id	never	YouTube sets this cookie to store the user's video preferences using embedded YouTube videos.
yt-remote-fast-check-period	session	The yt-remote-fast-check-period cookie is used by YouTube to store the user's video player preferences for embedded YouTube videos.
yt-remote-session-app	session	The yt-remote-session-app cookie is used by YouTube to store user preferences and information about the interface of the embedded YouTube video player.
yt-remote-session-name	session	The yt-remote-session-name cookie is used by YouTube to store the user's video player preferences using embedded YouTube video.
ytidb::LAST_RESULT_ENTRY_KEY	never	The cookie ytidb::LAST_RESULT_ENTRY_KEY is used by YouTube to store the last search result entry that was clicked by the user. This information is used to improve the user experience by providing more relevant search results in the future.

Performance

Analytics

Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.

Cookie	Duration	Description
_ga	1 year 1 month 4 days	Google Analytics sets this cookie to calculate visitor, session and campaign data and track site usage for the site's analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognise unique visitors.
_ga_*	1 year 1 month 4 days	Google Analytics sets this cookie to store and count page views.
_gat_UA-*	1 minute	Google Analytics sets this cookie for user behaviour tracking.n
_gid	1 day	Google Analytics sets this cookie to store information on how visitors use a website while also creating an analytics report of the website's performance. Some of the collected data includes the number of visitors, their source, and the pages they visit anonymously.

Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.

Cookie	Duration	Description
PREF	8 months	PREF cookie is set by Youtube to store user preferences like language, format of search results and other customizations for YouTube Videos embedded in different sites.
VISITOR_INFO1_LIVE	6 months	YouTube sets this cookie to measure bandwidth, determining whether the user gets the new or old player interface.
VISITOR_PRIVACY_METADATA	6 months	YouTube sets this cookie to store the user's cookie consent state for the current domain.
YSC	session	Youtube sets this cookie to track the views of embedded videos on Youtube pages.
yt.innertube::nextId	never	YouTube sets this cookie to register a unique ID to store data on what videos from YouTube the user has seen.
yt.innertube::requests	never	YouTube sets this cookie to register a unique ID to store data on what videos from YouTube the user has seen.

Others