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OPHTHALMOLOGY / INSTRUMENT REFERENCE1 / 1 reference
Universal eye speculum — reference view
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Lid blades

The paired small ends retain the lids apart.

Zoom in, then drag to inspect. Keyboard: + / − to zoom, arrows to pan, 0 to reset. Tap the numbered markers to explore parts.

Universal eye speculum — reference view

Image: Sarindam7 · Source / original · CC BY-SA 4.0

Resized and converted to WebP; original colours retained.

Universal eye speculum

Lid exposure & suturing

Universal eye speculum

Adjustable lid speculum

THE FIRST VIVA QUESTION

What is its use?

Maintains lid separation during ophthalmic surgery.

Tap a number to locate its part. Zoom, drag or use full screen to inspect the reference. Models and graduations can differ; check the actual instrument used in your practical class or clinical posting.

01 / IDENTIFICATION

How to recognise it.

  1. Paired lid blades
  2. Linked arms
  3. Adjustment or retention mechanism
Tell the difference.

Its more substantial adjustable structure differs from the simpler spring-wire design.

02 / NUMBERED PARTS

Point them out.

Choose a part to bring its numbered marker into view.

03 / WORKING PRINCIPLE

How it works.

A mechanical retaining mechanism controls the separation between the two lid blades.

04 / VIVA PRACTICE

Think first. Then reveal.

Explain your answer aloud before opening it.

01What is retained apart?
SUGGESTED ANSWER

The eyelids, to expose the operative field.

02What is the role of the adjustment mechanism?
SUGGESTED ANSWER

It sets and maintains the opening.

03Does stronger opening always improve exposure safely?
SUGGESTED ANSWER

No. Excessive tension can damage tissue or raise pressure on the globe.

04What should identify the subtype?
SUGGESTED ANSWER

Blade design and the adjustment mechanism, not the instrument’s size alone.

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