3. Trachomatous scarring (TS)
Quiz
The following quiz consists of 50 images of everted eyelids. After the presence or absence of active trachoma has been established by examining for the presence of TF and then for the presence of TI, the presence or absence of scarring must be assessed.
Quiz instructions
This quiz will assist you to prepare for work in trachoma screening and treatment programs. Ensure you have a good-sized screen (desktop or tablet computer) and adequate brightness.
Leave enough time to complete the quiz in one session. If you leave the quiz, you will lose your place and will need to start again.
Select all signs that are present in the image or select the ‘Normal’ option if no signs are present. Once you have made your selection select the ‘Check answer’ button.
You will then be presented with the correct answer and a brief explanation of the rationale behind the answer. When viewing the answer, the grading area and notable features on the eyelid will be marked.
To switch between the marked and un-marked images select the ‘Show/hide markup’ button.
To view an enlargement of the image select the ‘Zoom’ button.
Remember that you will be grading using a 2.5× magnification and the enlargement is only provided to aid in your learning. To move to the next question use the ‘Next question’ button.
In lids with severe scarring it may be difficult to see the other signs, which may be hidden beneath the scar tissue. In this situation the signs of inflammatory disease should be considered absent if they can not be clearly seen. If in doubt leave it out.
Scores
- 90% or higher: excellent, proceed to the next level.
- 80–90%: well done, proceed to the next level.
- 80% or lower: your grading needs to improve, please re-read the text, and test yourself again.
Question 0 of 50
Score: 0 out of 50
Select your answer(s):
Answer:
Feedback
