Hello Catherine, The screen curtain on the Iphone is to protect your privacy when it is turned off so people can't see what you are doing. You have to be careful though not to turn it off if a sighted person is helping you with the phone. There is a simple gesture to turn it off and on but like everything else with the phone, you have to be careful what you are doing. Dan to view the list archives, go to: www.freelists.org/archives/optacon-l To unsubscribe at any time, just send a message to: optacon-l-request@xxxxxxxxxxxxx with the word "unsubscribe" (without the quotes) in the message subject. Tell your friends about the list. They can subscribe by sending a message to: optacon-l-request@xxxxxxxxxxxxx with the word "subscribe" (without the quotes) in the message subject.