AUTO REF/KERATOMETER ARK-1s

Reason: There is possibly a difference between the measured dioptric value of the subjective measurement mode and the objective measurement mode on ARK-1s.

Code information: Model No. ARK-1s, Serial No. 620337, 620340, 620341, 620343, 620345, 620349, 620350, 620355, 620356, 620359, 620363, 620370, 620371, 620374, 620376, 620377, 620380, 620381, 620384, 620387, 620389, 620391, 620394, 620398, 620400, 620403, 620404, 620407, 620410, 620412, 620415, 620417, 620418, 620420, 620422, 620425, 620427, 620429, 620433, 620435, 620437, 620440, 620444, 620445, 620447, 620450, 620452, 620454, 620455, 620459, 620462, 620464, 620466, 620469, 620471, 620474, 620477, 620478, 620480, 620482, 620485, 620487, 620489.

Distribution pattern: Distributed domestically to AK, AL, AR, CA, CO, DE, FL, GA, ID, IL, IN, MD, MI, MO, MT, NM, NY, OH, OK, PA, SC, TN, TX, VA, WA, WV.