This Reading Comprehension worksheet is suitable for upper intermediate to proficient ESL learners. The text explains how the eye rretina translates light into colour and what the most common colour impairements are.
After carefully reading the text, students are required to complete some comprehension exercises including: questions, True or False and a word search exercise. The vocabulary used in the text is rather advanced and can also be used for IGSCE, TOEFL or IELTS vocabulary building purposes. The handout can be completed in class or assigned for homework.