More than 25 million Americans experience vision loss that makes it difficult, if not impossible, to read the small print on prescription drug labels. In the House of Representatives, Markey included a provision in law to establish a working group to issue guidelines for pharmacies to ensure that people who are blind or visually impaired have access to prescription drug labeling.  Senator Markey also introduced the Prescription Drug Labeling Promotion Act of to ensure that people who are blind or visually impaired have full access to the information included on their prescription drug labels.