Floaters are common with myopia or after middle age as a result of condensed vitreous fibers. Usually not significant, but acute onset of floaters (“shade” or “cobwebs”) may occur with retinal detachment.
Halos around lights occur with?
acute narrow-angle glaucoma
a blind spot in the visual field surrounded by an area of normal or decreased vision, occurs with glaucoma, with optic nerve and visual pathway disorders.
Night blindness occurs with
optic atrophy, glaucoma, or vitamin A deficiency.
inability to tolerate light.
Note: some common eye diseases cause no pain (e.g., refractive errors, cataract, glaucoma).
deviation in the anteroposterior axis of the eye.
Lacrimation (tearing) and epiphora (excessive tearing) are due to
irritants or obstruction in drainage of tears.
Allergens may cause irritation of
conjunctiva or cornea (e.g., makeup, contact lens solution).
Glaucoma is characterized by increased
Work-related eye disease
an auto mechanic with a foreign body from metal working or radiation damage from welding)
Some medications have ocular side effects
example, prednisone may cause cataracts or increased intraocular pressure.
Genital herpes and gonorrhea vaginitis have
ocular sequelae for the newborn.
Decreased tear production may occur with
Macular degeneration causes a loss in
central vision acuity.
Asymmetry of the light reflex indicates
deviation in alignment from eye muscle weakness or paralysis. If you see this, perform the cover test.
a mild weakness noted only when fusion is blocked
is more severe—a constant malalignment of the eyes
Nystagmus occurs with disease of
the semicircular canals in the ears, a paretic eye muscle, multiple sclerosis, or brain lesions.
Lid lag occurs with
Pallor near the outer canthus of the lower lid may indicate
anemia (the inner canthus normally contains less pigment).
is an even yellowing of the sclera extending up to the cornea, indicating jaundice.