Rear overhang in excess of 4 feet is required to. display a 18-inch-square red flag for daytime. travel and clearance lights during nighttime. travel. Loads shall not extend more than. 14 feet beyond the rear of the bed or body of. the vehicle.
Patricia Bath's patent (no. 4,744,360), a method for removing cataract lenses, transformed eye surgery, using a laser device making the procedure more accurate. Patricia Bath patentPatricia Bath s passionate dedication to the treatment and prevention of blindness led her to develop the Cataract Laserphaco Probe.
There are two main types of laser eye surgery: 1  Custom Surface (also called PRK). 2  A single laser is applied directly to the surface of the cornea to correct your vision. 3  LASIK. 4  In a LASIK operation, a flap in the cornea is created, and the laser vision correction takes place deep within the cornea, rather than on the surface.