Hi. I'm at a bit worried abut DH who is 41. We both had routine eye tests yesterday. They found 'yellow spots' at the back of his eyes consistent with macular degeneration. They said they normally don't see this much in people under the age of 70. They said they need to see him again in 1 year to monitor but have given him an amsler grid and told him to look at it every couple of weeks and if it ever looks odd to go back sooner. I've made the mistake of googling and I'm a bit worried. Is this likely to deteriorate? Is he likely to end up partially sighted?