It sounds like migraine related headache or cervical spondylosis . Do take an X-ray to rule out spondylosis especially if you sit long hours in front of compute .If it is migraine then avoid aggravating factors and medication can be taken

Barrage laser would not give rise to these symptoms.Better get an online consultation or visit your treating doctor

Review with your ophthalmologist.

As before said your symptoms are not due to barrage laser. It suggests migrain, glaucoma or if flashes of light present then retinal detachment but headache won't be associated with it. Please take online or in person consultation of ophthalmologist and physician.

Barrage laser does not lead to neck discomfort or pain. Headache associated with the other symptoms that you are having may be suggestive of migraine. If you are having flashes of light, then you need a detailed retinal evaluation. Light sensitivity and headache can also be due to increased intraocular pressure which warrants an ophthalmic examination.

Most likely, this could be due to excessive computer work too, if u have .. Follow rules to avoid that ... Barrage laser ideally should not cause such symptoms .

Pls visit your Dr who did the barrage laser so he may do the appropriate check up and verify if there's a casue for concern