I can't see My eyes 2yers ago was affected by a...

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What we advice you?

1.lower neck pain in your back has no relation to loss your eyes except in rare case in multiple sclerosis there is intermittent blindness with neck pain and stiffness 
2.even if your eyes is affected by nail scratch this will not go to loss your eyes maybe there is something else get wrong 

What are the causes to loss eyes?

1.direct trauma to your eyes
2.chemical and irritant compound inside it 
3.infectious disease and viral infection 
4.chronic disease after long time as diabetus hypertension glucoma and others
5.ischemic or hemorhgic brain change in occiptal lobe 

How to treat this ?

1.surgical intervention as lens transplant
2.lasik or laser
3.eye glasses and lensces
4.treat the cause

What are the investigation to do ?

1.ct brain and for eyes globe 
2.brain mri 
3.optlalmoscope