Abstract: A driver assembly may include a fastener and a driver. The fastener may have a head with upper and lower surfaces. An engagement portion may be located in the upper surface proximate a perimeter portion thereof. A shank may extend from the lower surface of the head and a breakaway portion may extend from the upper surface of the head. The driver may include a shaft having a body with a first end having a fastener-engaging portion. The fastener-engaging portion may have an outer driving geometry engaged with the engagement portion of the fastener when in an engaged position. The first end may further include an opening therein. The opening may receive at least a portion of the breakaway portion when in the engaged position.

Abstract: The present invention relates to ophthalmic compositions comprising a pH between about 6 and about 8 and about 50 to about 1000 ppm hydrogen peroxide and at least one phosphate buffer. The ophthalmic compositions of the present invention display improved antifungal efficacy against fungi, including candidas albicans and fusarium solani.