Hi itsnotmeatall,
Sometimes you can face such issues due to cache problem. Could you please clear your cache and cookies, reboot, and then see if the problem repeats itself.
If it does, then please report the same to customer service helpdesk using the following link:
http://pages.ebay.in/help/contact_us/_base/index.html
You can choose ask about buying and bidding in the first box, then Searching and Browsing items in the second box, followed by the problem that you are having with searching and browsing is not listed here in the third box.
This report from you will help the team in investigating the problem and solving it accordingly.
Warm Regards
Sapana
Community Development Team