You have not mentioned that how much increase did you notice within last 5to6 years. If it is less than 1 then need not to worry.
You can continue with contact lenses. They are quite safe.
As you are a regular computer user ,You are likely to have computer vision syndrome please use lubricant eye drops e.g. teardrop 2to3 times daily and rub ocupol d's eye oint twice daily on lids
Lasik will not help you. You may go for ICL
You need not to stop computer usage. But follow the following....
Next Steps
Follow 20.20.formula ie close your eyes for 20seconds after every after every 20minutes.keep proper distance between eyes and screen wash your eyes with freshwater frequently and don't sit facing towards a/c or blowers consume lots of fresh fruit and vegetables and also do cold compresses with ice.