Self-guided vision test using mobile device

A first electronic device comprising:

• a memory;
• one or more first input devices;
• one or more processors;
• and
• one or more programs stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for performing a method comprising:
• obtaining data indicative of a position of a target displayed on the one or more displays of a second electronic device relative to the first electronic device or a user of the first electronic device while the target moves relative to the first electronic device;
• while the target is displayed on the one or more displays, tracking, using the one or more first input devices including one or more first image sensors, a direction of gaze of the user;
• and
• in accordance with a determination that one or more first criteria are satisfied, the one or more first criteria including a criterion based on a relationship between the position of the target and the direction of gaze while the target moves relative to the first electronic device or the user of the first electronic device, presenting an indication of abnormal eye movement.

A non-transitory computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by one or more processors of a first electronic device, cause the first electronic device to perform a method comprising:

• obtaining data indicative of a position of a target displayed on the one or more displays of a second electronic device relative to the first electronic device or a user of the first electronic device while the target moves relative to the first electronic device;
• while the target is displayed on the one or more displays, tracking, using one or more first input devices including one or more first image sensors, a direction of gaze of the user;
• and
• in accordance with a determination that one or more first criteria are satisfied, the one or more first criteria including a criterion based on a relationship between the position of the target and the direction of gaze while the target moves relative to the first electronic device or the user of the first electronic device, presenting an indication of abnormal eye movement.