Population genetics is a subfield of genetics that deals with genetic differences within and between populations, and is a part of evolutionary biology. Studies in this branch of biology examine such phenomena as adaptation, speciation, and population structure.
RVCA (pronounced: rue-cah) is a clothing company based in Costa Mesa, California. The logotype for RVCA portrays the letter A without a crossbar. This leaves it looking like a lambda .The 'V' looking character in RVCA name is a 'U'. The 'U' is written in traditional Roman script, and thus appears as a 'V'.
Retinal vein occlusion (RVO) is a common vascular disorder of the retina and one of the most common causes of vision loss worldwide. Specifically, it is the second most common cause of blindness from retinal vascular disease after diabetic retinopathy.