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简体中文Torn Retina &
Retinal
Detachment
The retina is the thin layer of tissue lining the back of the eye — it converts light into neural signals and is essential for vision. A retinal tear occurs when the vitreous (gel-like fluid) pulls away from the retina, causing a break. If fluid passes through the tear and lifts the retina away from the eye wall, retinal detachment occurs.
Retinal detachment is a medical emergency. Without prompt treatment, it can cause permanent, severe vision loss — or blindness in the affected eye. If you experience warning symptoms, do not wait to seek care.
What Are the Symptoms?
Floaters and flashes in themselves are quite common and do not always mean you have a retinal tear or detachment. However, if they are suddenly more severe and you notice you are losing vision, you should call your ophthalmologist right away.
Sudden Floaters
A sudden increase in the size and number of floaters — dark spots, threads, or cobwebs drifting in your field of vision — may indicate a retinal tear occurring.
Flashes of Light
A sudden appearance of flashes (photopsia), especially in peripheral vision, could be the first stage of a retinal tear or detachment. Seek care immediately.
Shadow in Peripheral Vision
Having a shadow appear in the periphery (side) of your field of vision is a classic sign of retinal detachment progressing from the edges inward.
Gray Curtain Effect
Seeing a gray curtain moving across your field of vision is a serious sign that the retina is detaching. This is an ocular emergency — call immediately.
Sudden Vision Loss
A sudden, significant decrease in your vision — blurring or complete loss in part of the visual field — requires immediate ophthalmologic evaluation. Do not delay.
Who Is at Risk?
Possible risk factors include genetics, age, diet, smoking, and sunlight exposure. Regular eye exams are highly recommended to detect AMD early and prevent permanent vision loss.
- Previous cataract surgery
- Glaucoma
- Severe eye injury
- Previous retinal detachment in the other eye
- Family history of retinal detachment
- High myopia (extreme nearsightedness)
- Weak areas in the retina seen during an eye exam
How Is It Treated?
Treatment depends on the severity and location of the tear or detachment. All options aim to reattach the retina and prevent further vision loss. Outcomes are best when treatment is prompt.
Laser Photocoagulation
Laser creates tiny burns around the tear to seal it and prevent fluid from passing underneath. Best for small, newly detected tears before detachment occurs.
Cryopexy (Freezing)
Freezing treatment applied through the eyelid that causes scar tissue to seal the retinal tear. Often used alongside other procedures.
Pneumatic Retinopexy / Scleral Buckling / Vitrectomy
Surgical procedures used for more advanced detachments. Selection depends on the extent of detachment and patient factors. Referral to a retinal specialist is coordinated when surgical repair is needed.
This Is an Emergency — Act Now
Retinal detachment is time-sensitive. The sooner it is treated, the better the visual outcome. Call us immediately if you have any warning symptoms.