So we're very first all of our channel checks that ophthalmologists are seeing Rhopressa and Rocklatan as the pure indications to some of the existing generic options, but we're also hearing prescribers are facing some challenges because you've been in cases where Rhopressa and Rocklatan are indicated as covered by a plan.
Refer to the input text as context and select the correct relationship between 'pure' and 'channel' from the available options.
Options: headquarters location, product/material produced, founded by, original broadcaster