About this condition
People may notice wavy straight lines, a new patch or dark spot during reading, difficulty recognising faces or rapidly altered vision. Some changes progress slowly; others can occur abruptly. The particular symptoms depend on the underlying disorder rather than proving one diagnosis.
Clinical features
Age-related macular changes, diabetic retinal disease, vascular problems and retinal tears or detachment have different causes. A new dark curtain across vision, many new floaters or flashes should never be assumed to be a harmless age-related change.
Important differences and warning signs
An ophthalmologist may examine the back of the eye after pupil dilation and request OCT of the macula or other tests as clinically relevant. A scan displays anatomy but cannot by itself tell the full story; findings are interpreted with symptoms, history and examination.
Assessment and individual care
Management can range from periodic monitoring to referral for specialised retinal treatment, depending on the diagnosis and stage. The availability of injections, laser or surgery at a given clinic must be confirmed rather than presumed. No one can promise visual recovery without establishing the cause and prognosis.
Related information: Flashes and floaters; OCT of the eye.
Signs and symptoms
- Distorted central vision, wavy lines or a spot obscuring words.
- Difficulty recognising faces or a change in detailed reading vision.
- New flashes, multiple floaters or a dark shadow across part of vision.
Diagnosis and tests
Assessment may include a dilated fundus examination, OCT of the macula and targeted additional tests. Results are interpreted together.
Care and treatment approaches
Treatment and follow-up depend on the specific retinal disorder. A specialised service may be necessary; improvement cannot be guaranteed.
When to seek urgent care
A new curtain over vision, sudden flashes with many floaters, or abrupt central vision loss require urgent same-day ophthalmic assessment. Call 103 if sudden severe vision loss occurs and prompt care is not otherwise accessible.
Frequently asked questions
What does an OCT scan show?
It produces cross-sectional images of retinal layers and can help evaluate changes affecting the macula and optic structures.
Are all retinal conditions treated the same way?
No. Options differ widely by cause and stage, and some disorders require urgent specialist referral.
Can new floaters and flashes be ignored?
No. A sudden increase or association with a dark curtain requires urgent retinal evaluation because a tear or detachment is possible.
Information sources
Medical source links used when preparing this article.
Important information
A medical consultation is needed for diagnosis and treatment recommendations.
Self-treatment can be harmful to your health.
