History and Symptoms Flashcards
What are the possible causes of blurred vision?
Uncorrected refractive error (all types)
Opacities (corneal or lenticular)
CL protein build-up
Scratched specs
Damaged nerve pathway
What are the possible causes of red eye?
Allergies
Uveitis
Conjunctivitis
Subconjunctival haemorrhage
Keratitis
Angle-closure glaucoma
Pterygium
Trauma
What are the possible causes of tearing?
Allergies
Dry eye
Lacrimal drainage issues (ectropion or nasolacrimal duct blockage)
Wind/cold/bright light exposure
CL issues
Chemical irritant
Eyestrain
Inflammation (corneal, lid, sinus or dental)
What are the possible causes of pain?
Angle-closure glaucoma
Foreign body
Inflammation/Infection (cornea, iris, orbit)
Injury
Optic neuritis
What are the possible causes of eyestrain?
Uncorrected astigmatism
Uncorrected hyperopia
New rx
Incorrect rx (cyl or overminused)
Accommodation/convergence issues
Induced prism
Anisometropia
Decompensated phoria
What are the types of double vision?
Physiological diplopia
Monocular diplopia
Binocular diplopia
What are the possible causes of monocular diplopia?
CLs
Uncorrected astigmatism creating ghost images
Keratoconus
Macular disease
Opacities (corneal or lenticular)
Lens sublaxation
Transparent foreign bodies
Peripheral iris defect
What are the possible causes of binocular diplopia?
Accommodation/convergence issues
Recent onset strabismus (tropia): trauma, diabetes, tumour, or increased intracranial pressure
Globe displacement due to cellulitis or tumour
What are the possible causes of strabismus (tropia)?
Congenital
Trauma
High hyperopia
Very high convergence response to accommodation
Something affecting cranial nerves 3, 4 or 6.
What are the types of headaches?
Visual
Ocular pathology
Other pathology
What are the possible causes of visual headaches?
Uncorrected hyperopia
Uncorrected astigmatism
Accommodation/convergence issues
What are the possible causes of ocular pathology headaches?
Angle-closure glaucoma
Uveitis
Iritis
Optic neuritis
What are the possible causes of non-ocular pathology headaches?
Tension
Sinus
Migraine
Cluster
Increased intracranial hypertension
Hypertension
Temporal arteritis
What are the types of vision loss?
Chronic
Acute
Transient
What are the possible causes of chronic vision loss?
Opacities (corneal or lenticular)
Brain injury
Optic nerve damage or disease
Glaucoma
Retinal/macular damage or disease
What are the possible causes of acute vision loss?
Retinal detachment
Retinal or vitreous haemorrhage
Brain injury
Optic nerve damage or disease
CRAO or CRVO
What are the possible causes of transient vision loss?
TIA
Angle-closure glaucoma
Migraine
Corneal or iris infection
