 [ Symptoms ] black spot in right eye when looking at computer screen and in sunlight 2 months now should i be concerned [ Disease ] i have had an outbreak myself and know what you are going through it sounds like you are suffering from postherpetic neuralgia which can last from several months to a year or even more if your anticonsulvant do not work you might want to consider asking you doc to switch you to a mild opiod or opiate like painkiller like tramadol