Rotator cuff injuries cause pain in your shoulder and upper arm. The pain may be most noticeable when you reach up or out. When you turn your arm as you lift it, the tendons are more likely to rub against surrounding structures.
The essential difference between the original series of AF Nikkor lenses and all AF lens types introduced subsequently, from the AF-D versions onwards (see below), concerns the compatibility of a particular lens with Nikon's enhanced Matrix metering system known as 3D Matrix metering that was introduced during 1996.
Therefore, sunglasses and specs are very different to each other. Sunglasses are used to protect the eyes from rays of sun or intense light, whereas spectacles are used to correct the defective vision. Another important difference between them is that- unlike lenses of spectacles, all sunglass lenses are tinted.