Well, yes, sinusitis can cause photophobia. First, you should know that sinusitis can lead to sinus infection, and which can finally cause eye infection. And on the other hand, photophobia can be caused by eye infection too. So it can be possible to cause photophobia when you have sinus infection. For your situation, you should try some ways to treat your disease. You can console it with your doctor.
Do your eyes be afraid of light or be sensitive to light? If so, I must say sorry that you may get photophobia. What is photophobia? Well, the most common explanation is that photophobia means that people is afraid of light and sensitive to light. Photophobia is the most obvious eye problems. My elder sister (a doctor) told me that photophobia is a symptom of abnormal intolerance to visual perception of light. Then I seek deeply online and found that several different medical conditions may lead to photophobia , such as the eye or the nervous system, that is , too much light entering eyes, overstimulation of the photoreceptors in the retina, excessive electric impulses to the optic nerve and excessive response in the central nervous system. It's true that some eye problems cause other diseases, such as nose pain and toothache. On the contrary, many other diseases also cause serve eye problems, such as anemia high blood pressure cause blurred vision. Sinusitis is really possible cause photophobia because eye nerves can be irritated by nose problems. Meanwhile sinusitis can develop from colds or allergies. While colds can also cause eye problems. Well, it is complex.
Well, so sorry to hear that you have got sinusitis , which could bring a lot of inconvenience to our daily life, actually, I am also a victim of the diseases. So, as a matter of fact, sinusitis could give rise to photophobia because your eyes are nose are somehow connected, and so could they affect each other. So, what you need right now is treatment of your sinusitis and try to get some anti allergic medicine for help.