Not all attendees who have low vision are blind, so make sure that any presenters giving lightning talks are using a large font on their screen. (Remember that code, in particular, can be hard to read on a PowerPoint.) Ask your presenters to prepare handouts in a large font. (If your coaches are giving talks, ask them to give you a digital file in advance so you can make copies beforehand; ideally, coaches shouldn't be out money to participate in your workshop!) Ask your presenters to also remember to verbally describe any images that are in their presentations.