Disorders associated with headaches? - answer Hypertension or Brain Tumor
Headaches caused by refractive error will not appear during? - answer 1. Not
... [Show More] appear at night
2. Will not appear during sleep
3. Will not appear when you wake up
Where is the aqueous humor located? - answer Between the lens and the cornea.
How many rods are there? - answer 125 million
Where are the rods located? - answer In the retina
How many cones are there? - answer 6 million
Where are the cones located? - answer In the retina.
Rods are best in what lighting condition? - answer dim light
Without rods what condition will occur? - answer night-blindness
Rods are good in what color light? - answer Red
What type of drops are used to dilate the eyes? - answer Mydriatic drops
What type of drops are used to dilate the eyes and paralyze the fine focusing muscle for near vision? -
answer Cycloplegic drops
Measuring PD starts from where and ends where? - answer Nasal side of right pupil to the temporal side of
the pupil on the patients left eye.
What is Rhodopsin? - answer Rod pigment. (allows for visual purple)
Rhodopsin forms in ______ and is destroyed by _____? - answer forms in dark, and is destroyed by light
Rhodopsin is composed of what Vitamin? - answer Vitamin A (deficiency causes night blindness)
What is Adie's Syndrome? - answer Tonic Pupil. (pupil responds to light stimulation very slowly)
How do you measure a patient's PD when they can only see from one eye? - answer measure from center of
the pupil of the good eye to the center of the bridge of the nose
How do you measure a patient's PD when they have unequal pupils? - answer measure from nasal side of the
limbus of patients right eye to the temporal side of the limbus of the left eye.
How do you measure a patient's PD when they have a squint? - answer Measure from the inner canthus of
one eye to the outer canthus of the opposite eye.
What are the most important disorders to ask patients about? - answer Diabetes
High Blood Pressure (HTN)
Heart Health/ Cardiovascular Issues
Arthritis
What are the main symptoms of diplopia? - answer Loss of alignment of eyes
(covering one eye will always eliminate the second image)
What is the cause of light flashes? - answer Retinal detachment
What is the cause of Ptosis? - answer 3rd Nerve palsy or Diabetes
What is the cause of Diplopia? - answer Thyroid Disorder
Diabetes
3rd Nerve Palsy
Myathenia Gravis
What is the cause of sudden loss of vision? - answer Macular degeneration
Retinal Detachment
Retinal Vein or Artery Occlusion
Retrobulbar Neuritis
What is the cause of Foreign Body Sensation (FBS)? - answer Corneal Abrasion
Herpes Simplex
What is the cause of blurred distance vision in adults? - answer Diabetes
Cataracts
Macular Edema
What is the cause of Halos around lights? - answer Angle Closure Glaucoma
Cataracts
What is the cause of spots before the eye? - answer Retinal Tear
Vitreous Detachment. [Show Less]