You might notice improvement in your symptoms (not sure about visuals), because drinking was helpful to me also in the beginning.
I'm building a working theory on this. Part of it could be because, "Alcohol also helps to increase the release of dopamine, by a process that is still poorly understood but that appears to involve curtailing the activity of the enzyme that breaks dopamine down."
http://thebrain.mcgill.ca/flash/i/i_03/i_03_m/i_03_m_par/i_03_m_par_alcool.html