By 1878, his project Lingwe uniwersala was finished. However, Zamenhof was too young then to publish his work. Soon after graduation he began to study medicine, first in Moscow, and later in Warsaw. In 1885, Zamenhof graduated from university and began his practice as a doctor in Veisiejai. After 1886, he worked as an ophthalmologist in Płock and Vienna. While healing people there, he continued to work on his project of an international language.
By 1878, his project Lingwe uniwersala was finished. However, Zamenhof was too young then to publish his work. Soon after graduation he began to study medicine, first in Moscow, and later in Warsaw. In 1885, Zamenhof graduated from university and began his practice as a doctor in Veisiejai. After 1886, he worked as an ophthalmologist in Płock and Vienna. While healing people there, he continued to work on his project of an international language.