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<blockquote data-quote="Umbran" data-source="post: 3184378" data-attributes="member: 177">Do you mean now you are completely incapable on focusing on such objects, or that the problem persists for a while after painting, but then goes away?The latter is basically an issue of muscle strain - just like your other muscles, if held in one odd position too long, the muscles that control your focus can become stiff and inflexible.&nbsp; I occasionally have a similar issue when I read for prolonged period of time when holding a book too close, so that for a while distant objects are difficult to focus on.&nbsp; The difference here is the lenses...I'm not sure what an &quot;OTT lamp&quot; is, but if those goggles are magnifying - don't use them.&nbsp; Fixed distance between eye and lens can cause strain.&nbsp; Use a magnifying lamp instead.&nbsp; With practice, you can find an arrangement of your head, the lens, and the figure such that the figure is magnified, but you don't change your focus when you look up from the lamp to the rest of the room.&nbsp; This eliminates eye strain.</blockquote>

[QUOTE="Umbran, post: 3184378, member: 177"] Do you mean now you are [i]completely incapable[/i] on focusing on such objects, or that the problem persists for a while after painting, but then goes away? The latter is basically an issue of muscle strain - just like your other muscles, if held in one odd position too long, the muscles that control your focus can become stiff and inflexible. I occasionally have a similar issue when I read for prolonged period of time when holding a book too close, so that for a while distant objects are difficult to focus on. The difference here is the lenses... I'm not sure what an "OTT lamp" is, but if those goggles are magnifying - don't use them. Fixed distance between eye and lens can cause strain. Use a magnifying lamp instead. With practice, you can find an arrangement of your head, the lens, and the figure such that the figure is magnified, but you don't change your focus when you look up from the lamp to the rest of the room. This eliminates eye strain. [/QUOTE]

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