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Yagon,
It certainly shouldnt affect you at the moment. Just be aware that it may in the future. I was about 33 yrs old when I developed -.25 diopters of astigmatism in my observing eye. This is not enough to worry about and I could observe without glasses until about 5 yrs ago when I turned 42. It then worsened a little and then a little bit more about 2 yrs ago, to the stage where I now prefer to observe with glasses on using any eyepiece providing an exit pupil over 2mm although 3mm is still reasonable.
If you plan on building a high quality set of eyepieces looking forward into the future it may be a good idea considering long eye relief eyepieces that you can use with or without glasses if your astigmatism develops or worsens in the future.
CS-John B
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