Why can't I find the Camera icon on my iPhone?
The Camera app is a built-in Apple app that you can't delete, so it will still be on your iPhone. Please take a look at this article: Find your apps in App Library on iPhone. You can locate the app there, then drag it back to your Home Screen.
How do I turn on Camera accessibility?
Android Chrome
To the right of the address bar, tap More (triple dots) > Settings. Tap Site Settings. Tap Microphone or Camera. Tap to turn the microphone or camera on or off.