Is it a dark shadow or like a shade coming down over you eye?
Any kind of shadwoing could be indicative of carotid stenosis, temporal arteritis or optic neuritis.
I would urge you to glance at this link
http://books.google.com/books?id=Vj...esult&ct=result&resnum=5#v=onepage&q=&f=false
In my practice as a nurse, I have not heard of sinus probelms causing a visual disturbance. I would also urge an opthamologist as opposed to an optometrist.
Sinusitis signs & symptoms:
From Web MD:Symptoms
Pain and pressure in the face along with a stuffy or runny nose are the main symptoms of sinusitis. You also may have a yellow or greenish discharge from your nose. Leaning forward or moving your head often increases facial pain and pressure. The location of pain and tenderness may depend on which sinus is affected.
Pain over the cheeks and upper teeth is often caused by maxillary sinus inflammation.
Pain in the forehead, above the eyebrow, may be caused by frontal sinus inflammation.
Pain behind the eyes, on top of the head, or in both temples may be caused by sphenoid sinus inflammation.
Pain around or behind the eyes is caused by ethmoid sinus inflammation.
See a picture of the location of normal facial sinuses.
Other common symptoms of sinusitis include:
Headache.
Yellow or greenish discharge from the nose or down the back of the throat.
Bad breath.
Stuffy nose.
Cough that produces mucus.
Fever.
Tooth pain.
Reduced sense of taste or smell.
Acute (sudden) sinusitis is usually caused by a viral infection and often develops rapidly. It usually lasts for 4 weeks or less, and the symptoms often begin to clear up within a week without any treatment. Acute sinusitis caused by a bacterial infection is less likely to clear up on its own and may lead to chronic sinusitis or to complications in which the infection spreads beyond the sinuses. Nasal discharge that contains pus and worsens after 5 days or persists for more than 10 days is usually a strong sign of acute sinusitis caused by a bacterial infection.
Chronic (long-term) sinusitis is usually caused by a bacterial or fungal infection. These infections may be difficult to treat. If chronic sinusitis is not cured after trying two or more different antibiotics, you may want to talk with your health professional about surgery or allergy testing. Chronic sinusitis can lead to permanent changes in the mucous membranes that line the sinuses and may make you more prone to sinus infections.
Symptoms of sinusitis in children include coughing, nasal discharge that lasts more than 7 to 10 days, and complaints of headache and facial pain. Many children age 2 or older with chronic sinusitis may also have allergies and frequent ear infections. Some immunizations, particularly pneumococcal conjugate vaccine (PCV) and Haemophilus influenzae type b (Hib), may help prevent ear and sinus infections.
Other conditions that have symptoms similar to sinusitis may include allergies, toothaches, and colds or other upper respiratory infections. But if you've had a cold that returns or gets worse after 7 days (called double sickening), you probably have a sinus infection rather than a cold or other upper respiratory infection.
From the Mayo Clinic website
Symptoms
By Mayo Clinic staff
Acute sinusitis symptoms often include:
Drainage of a thick, yellow or greenish discharge from the nose or down the back of the throat
Nasal obstruction or congestion, causing difficulty breathing through your nose
Pain, tenderness, swelling and pressure around your eyes, cheeks, nose or forehead
Aching in your upper jaw and teeth
Reduced sense of smell and taste
Cough, which may be worse at night
Other signs and symptoms can include:
Ear pain
Sore throat
Bad breath (halitosis)
Fatigue
Irritability
Fever
Nausea
When to see a doctor
If you have mild symptoms of sinusitis, try self-care. Contact your doctor if you have any of the following:
Symptoms that don't improve within a few days or symptoms that get worse
A fever over 100.5 F (38.1 C)
A history of recurrent or chronic sinusitis
See a doctor immediately if you have signs or symptoms that may indicate a serious infection:
Pain or swelling around your eyes
A swollen forehead
Severe headache
Confusion
Double vision or other vision changes
Stiff neck
Shortness of breath
Best of luck.