Thank you for your reply.
It appears that you have excess filtration from the bleb and/or that the exacerbation of the uveitis caused significant inflammation of the cilliary process where the fluid of front of the eye is made. With such increased inflammatiion of the cillary process, there is reduced ability to make aqueous fluid, causing decreased pressure. For the pressure to be zero, it is most likely that you have both of these two processes at play (contributing) in the decreased of your eye pressure.
In the immediate period, the management approach will be to reduce the inflammation with topical steroid, which could also help increase the pressure by itself (a desirable effect in this time). In general, such effect will take several days to few weeks to cause a noticable increase pressure. You do not want such low pressure for too long, as you want to avoid damage of the macula
(hypotony maculopathy) due to prolonged low eye pressure. In that case, the best immediate solution to increase the eye pressure would be surgical of revision the glaucoma filtraion procedure. This procedure is straight forward and will take much less time. It involves tightening of the sutures to decrease filtration from the bleb. I encourage you to do what they advice you. God bless.
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