Chelsea -midfielder has been playing through conjunctivitis in recent weeks and seriously hinders his eyesight in their last two Premier League matches.
According to the BBC, Fernandez, 24, played the full 90 minutes in the 2-0 defeat against Newcastle and the 1-0 win over Manchester United with limited vision.
After diagnosis with manager Enzo Maresca, the World Cup winner spoke to ask that he holds his place in the line-up as Chelsea Chase Champions League qualification.
Post on Instagram After the victory over United, Chelsea's last home game of the season, Fernandez made the situation light.
He said: “Last game at home with this group that will give everything to the end, we have two more final. Thanks to the fans for the support the entire season. My first game plays with one eye.”