In this study we want to gather information about Stargardt Disease Type 1 (STGD1) and learn how it develops over time. We hope to use this information to help scientists come up with treatments or a cure for STGD1 in the future.
In this study, we aim to characterize the stress response to a visual field exam performed as part of a standard ophthalmology visit with the use of biometric devices, a standardized anxiety inventory, and measurement of salivary cortisol before and after the test. We further aim to assess how stress responses vary depending on the length of time required to complete testing as well as variability...