List of different products in ophthalmics area with details of manufacturers. A - b - C - D - G - H - L - M - O - P - R - S - T Afocal (spectacleslenses)   ESSILOR Instruments Afocal eyes pieces * BBGR   BOURGEOIS SA   ESSILOR France Aspherical spectacles lenses AO AMERICAN OPTICAL France   BBGR   BOURGEOIS SA   ESSILOR France