Give name,subject he teaches,why you like him,his traits,expression,solving skills,lecturing time,language,relation with students,giving assignments,encouragement to other areas(externally and subject wise),interaction with parents,guiding you on scores,depth you acquire,match with some ideal,experience,what you learn from him,how he you regard him as a building block for future,attitude,manners,punctuality,etc qualities,how many follow him,lastly sum up your sugestions to make him more … Read more

I think you need eye drops or some nutrient is missing if you have more your eye will become red also either sleep and rest your eyes by adding drops or consult doctor it might be an indicator of some problem