Use only the brand of this medicine that your doctor prescribed. Do not replace preservative-containing (CosoptÂ®) with the product without preservative (CosoptÂ® PF). CosoptÂ® PF eye drops is a sterile solution that does not contain any preservatives. Use the solution in the single-unit containers immediately after opening.
*Lewis Howard Latimer was born on this date in 1848. He was an African American inventor and innovator in the electric lighting industry. As a boy Latimer worked in his fatherâs barbershop in Chelsea, Massachusetts.
Henry Stockton Lewis, Sr. (1858-1922): an early African-American veterinarian. Authors+Show Affiliations. History of Medicine Division, National Library of Medicine, Bethesda, MD 20894, USA.