Visibly's VDAP product has undergone clinical testing prior to its submission for FDA clearance. No other Visibly products have undergone clinical testing. The only product that has received 510(k) clearance is the Visibly Digital Acuity Product. Other vision testing products available here have not been cleared or approved by the FDA. Currently, Visibly's vision tests are manufactured and distributed by Visibly, Inc. and operate under the FDA's QTO product code, a category that does not require clearance or approval by the FDA.