EfA Technologies is a company that has developed a portable lab-quality device, the RevDx, which allows for affordable blood tests to be performed anywhere without time-consuming preparations or expertise. Their innovative method includes automatic microscopy tests for a full blood count and other applications, with a simple process that requires no expertise, electricity, or connectivity. EfA Technologies aims to provide essential diagnostic tools for point-of-care around the world, addressing the clinical problem where billions lack access to accurate, accessible, and affordable diagnostics. Their device supports real-time informed decisions for various conditions such as infections, anemia, bleeding, and blood dyscrasia, and is particularly valuable for performing a complete blood count, the most commonly performed blood test worldwide.