The image above shows an ophthalmoscopic/fundoscopic examination of a different patient’s eye.

What pathology is present? (Hint: Compare this image to the previous image.)

Where do we naturally develop a blind spot?

Where is vision sharpest in the eye?

Is this a right or left eye? How can you tell?

From the following list select all structures that pass through E

Three sinuses are present in the above view in question 3. Which sinus is not shown and what can we infer in regards to its location?

There are 4 paired air-filled sinuses within the skull. We can see their outlines in plain film imaging, although they are much more easily viewed on cross sectional imaging. 

They are named after the bones they form in. They are lined with mucous membrane, and are continuous with the nasal cavity. 

What might be some of the proposed roles of the paranasal and cranial sinuses?