Section 886.4790 - Ophthalmic sponge(a)Identification. An ophthalmic sponge is a device that is an absorbant sponge, pad, or spear made of folded gauze, cotton, cellulose, or other material intended to absorb fluids from the operative field in ophthalmic surgery.(b)Classification. Class II (special controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 886.9 .52 FR 33355, Sept. 2, 1987, as amended at 84 FR 71817 , Dec. 30, 2019