The code block below illustrates how one might use # and // as comments in your logic and calculations.

This value you provided is not a number. Please try again.

This value you provided is not an integer. Please try again.

The value entered is not a valid Vanderbilt Medical Record Number (i.e. 4- to 9-digit number, excluding leading zeros). Please try again.

The value you provided must be within the suggested range

The value you provided is outside the suggested range

This value is admissible, but you may wish to double check it.

The value entered must be a time value in the following format HH:MM within the range 00:00-23:59 (e.g., 04:32 or 23:19).

This field must be a 5 or 9 digit U.S. ZIP Code (like 94043). Please re-enter it now.

This field must be a 10 digit U.S. phone number (like 415 555 1212). Please re-enter it now.

This field must be a valid email address (like joe@user.com). Please re-enter it now.

The value you provided could not be validated because it does not follow the expected format. Please try again.

Required format:

URrSGtHtQxBj8pn6AYFfxxpCeb9wHxbF3gTK

SPECTRA - Expression of Interest form

Thank you for your interest in the studies on lazy-eye (amblyopia) run by the Centre for Eye and Vision Research (CEVR) (www.cevr.hk). The centre is a research collaboration between the Hong Kong Polytechnic University and the University of Waterloo in Canada.

Please complete (as best you can) and submit the form below. Our team will contact you as soon as possible, to inform you of your eligibility to participate.

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To save your responses and end the survey, click the 'End Survey' button below. If you have selected the wrong option by accident and/or wish to return to the survey, click the 'Return and Edit Response' button.