###Human: What is the reason for problem with breathing in summer? ###Assistant: Hello. Problems with breathing during in summer seem to be related to allergy. Chest x-ray and allergy tests are advised to further together with stool examination for ova parasites. Changes in power lens often are due to hormonal changes or working too long in front of computer or cellphones. Should train your eyes when working with the computer. Keep in frequent contact with an eye specialist. Also, get thyroid hormones to check further. Back and joint problems seem like arthritis. You should run arthritis tests and x-ray of the back. Also, further consultation with rheumatologist advised. All the best.