Customer Question. 2000 accent with ticking noise in front end, goes with speed of vehicle and not engine speed or trans speed. must be either axle issue (could be a brake something or other but I can't see that) or something in the diff part of trans.I don't have a manual on the car and need a good steer.000 accent with ticking noise in front end, goes with speed of vehicle and not engine speed or trans speed. must be either axle issue (could be a brake something or other but I can't see that) or something in the diff part of trans.
A single vision intraocular lens focuses for a single distance. If you choose a single vision IOL set for distance, you would be likely be able to drive and watch TV without glasses, but would need glasses to focus for intermediate and near tasks.
A principal focus or focal point is a special focus: 1  For a lens, or a spherical or parabolic mirror, it is a point onto which collimated light parallel to the axis is focused. Since light can pass through a lens in either direction, a lens has two focal pointsâone on each side.