Common cold is caused by viruses like rhinovirus, corona virus. It can occur any time in a year. The viruses are seen as invisible droplets in the air we breathe or things we touch. It is most contagious during first 2 to 4 days after symptoms appear and may be contagious up to 3 weeks. It spreads through person to person contact or by breathing in virus particles spread through the air by sneezing or coughing. Touching the mouth or nose after touching the skin or another surface contaminated with the virus also spread a cold

Nasal congestion is the blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels. Nasal congestion can interfere with the ears, hearing, and speech development. Significant congestion may interfere with sleep, cause snoring, and can be associated with sleep apnea. In children, nasal congestion from enlarged adenoids has caused chronic sleep apnea

A Burn is an injury to the body tissue which can be caused by friction, Heat, Electricity, light etc. If someone gets a burn the first step to be taken is to distinguish a minor burn from a serious burn. The second thing is to judge the extent and degree of burns.

A series of tests will be performed to assess acuity, refraction and potential eye disease.

Eyes are organs that detect light, and send signals along the optic nerve to the visual and other areas of the brain.