[The polemics on strabogenesis between A. v. Graefe and F. C. Donders (author's transl)]

In the literature of their time one can read of a divergence of views between A. v. Graefe and F. C. Donders concerning strabogenesis. The conception of A. v. Graefe was criticized by Donders as "a somewhat obscure explanation". On the other hand A. v. Graefe could not accept Donders' view that hypermetropia in itself can cause convergent strabismus. The polemics has its actuality - in somewhat changed from - even nowadays.