research Reversible Myopathy and Ophthalmoparesis After Low-Dose Finasteride Administration for Androgenic Alopecia 3 citations , February 2014 in “Dermatologic Surgery” Low-dose finasteride may cause muscle weakness and eye issues, but stopping the drug can lead to recovery.
research Finasteride June 2014 in “Reactions Weekly” Finasteride can cause muscle weakness and eye movement issues, even at low doses.