I have a squint problem in my left eye, should I consider a laser surgery?

You can use these drops, they are just an OTC vasoconstrictor like Visine, but don't overuse them or they will stop working and you will get "rebound hyperemia" which is more redness after the vasoconstrictor wears off so your blood vessels dilate even more than normal

From your symptoms, it sounds like you are suffering from dry eyes.  It is likely that the climate change from your move is affecting your eyes and vision.  I would recommend that you use preservative free artificial tears every 3-4 hours.  You can also consider taking omega 3 fish oil su...

Based solely on your corneal thickness and prescription, you would not be a good candidate for LASIK or PRK.  The amount of tissue removed by the laser would leave your corneas too thin and at risk for serious complications.  You may want to look at other surgical options such as refractive l...