Floaters are deposits of different sizes and shapes within the eye’s vitreous humour which is normally transparent. The common type of floater is due to changes in the vitreous humour, its natural ageing process.
This vitreous debris casts shadows on the retina, and it is the shadow that is visible to you. Other serious causes of floaters, blood in vitreous, pigment in vitreous. This will present with associated symptoms of flashes, curtain vision loss etc.
Call health care provider if floaters present with flashes and or vision loss. This could indicate vitreous/Retinal detachment.
Photopsia is the presence of perceived flashes of light.
Common causes: Posterior vitreous detachment, Retinal break or detachment, and migraine.
Call health care provider if flashes present with vision loss.
Painless, temporary visual disturbances (flashes, blind spots, visual distortions) that can affect one or both eyes. Typically harmless and self-resolve without meds within 20-30mins. Ocular migraine followed by one-sided HA’s referred to migraine with aura and the visual disturbance is referred to as an aura rather than ocular migraine.
Causes of pain in and around the eye:
- angle-closure glaucoma
- carotid occlusive disease
- uveitis/ocular inflammation
- ophthalmic herpes zoster
- referred pain: sinusitis, tic douloureux
Causes pain in eyelid
The intolerance of the eyes to bright light.
Most common causes:
- inflammation of the eye, conjunctiva, cornea, episclera and sclera (keratitis, uveitis, conjunctivitis, episcleritis)
- trigeminal neuralgia
- dry eye syndrome
- eye infections and inflammation
- corneal ulcer
- foreign body
- entropian and ectropian
- increased tearing with age.
- Subconjunctival hemorrhage: bleeding on the sclera, underneath the conjunctiva. Can cover only nasal sclera or temporal sclera or both.Usually a painless, harmless condition with spontaneous recovery within 7-10 days. Could be associated with high blood pressure or trauma to the eye.
Involuntary spasms of the eyelid muscles most common causes: fatigue, stress, caffeine, nutritional imbalance, magnesium deficiency, dry eyes, allergies, eye strain.
Call health care professional if:
- Condition continues for more than one week
- Twitching involves other parts of your face
- Associated redness, swelling and discharge in the affected eye
- Eyelid droops