The language of instruction at my higher educational institution was English but I do not have any language certificates. Can I apply?

Yes, in the following way: You can get a declaration from your higher institution stating that your degree was formulated in English (upload it in the section of the language certificate in the application, addressed to "The board members of KinoEyes" and that way you'd be exempt from doing the language certificate exam.

The certificate should indicate that the language of instruction was English (at least 180 ECTS). Please also describe your language situation in the given field of the on-line application.