Farsightedness and nearsightedness are two common eyesight deficiencies.
It is inconceivable that, to a man with his type of mind and his extraordinary experience, the practical sagacity, farsightedness and aggressive courage of the Federalists should not have seemed to embody the best political wisdom, however little he may have been disposed to ally himself with any party group or subscribe to any comprehensive creed.
In fact, convex lenses used to correct farsightedness came along nearly 300 years before the concave lenses to correct nearsightedness did.
Farsightedness means the individual has problems seeing close-up and nearsightedness occurs when the individual has problems seeing far away.
David appears to have moderate hyperopia (farsightedness ), with astigmatism, about equal in the two eyes.