Topic Study Guide

Oculoplastics MCQs & Guide

250+ questions with detailed explanations. Master oculoplastics for FRCOphth, ICO, FAICO, DNB and NEET-SS.

Oculoplastics overview

Oculoplastics, lacrimal and orbital disease form the third sub-specialty by exam weight in most modern PG exams. The topic combines anatomy, surgical principles and clinical pattern recognition.

Clinical & exam importance

Oculoplastics accounts for 6–10% of most exams. Lid malpositions, lacrimal sac pathology and thyroid eye disease are reliable recurring themes. FAICO oculoplasty candidates require deep operative knowledge.

At a glance

MCQ bank
250+
Glossary terms
14+
Free sample MCQs
3
Matched products
2
Practice Oculoplastics MCQs

Core anatomy & physiology refresher

The foundations you need before tackling clinical and surgical MCQs.

  • Upper lid retractors: levator palpebrae superioris (CN III) and Müller muscle (sympathetic).
  • Lower lid retractors: capsulopalpebral fascia and inferior tarsal muscle.
  • Whitnall ligament acts as a fulcrum for the levator.
  • Lacrimal drainage: puncta → canaliculi → common canaliculus → lacrimal sac → nasolacrimal duct → inferior meatus (valve of Hasner).
  • Orbital walls: medial (lamina papyracea) thinnest; floor (maxilla) common in blowout fracture.

High-yield oculoplastics facts for MCQs

The facts that appear most often in real exam stems. Learn them cold.

  • 1
    Ptosis classification: aponeurotic, myogenic, neurogenic, mechanical, traumatic.
  • 2
    Levator function grading: poor (<4 mm), fair (5–7 mm), good (8–12 mm), excellent (>12 mm).
  • 3
    Surgical choice: good function — levator advancement; poor function — frontalis sling.
  • 4
    Entropion: most often involutional (lower lid laxity); cicatricial in trachoma and SJS.
  • 5
    Ectropion: involutional, cicatricial, paralytic (CN VII palsy), mechanical.
  • 6
    Lagophthalmos management: lubricants, taping, gold weight implant, lateral tarsorrhaphy.
  • 7
    Chalazion: chronic granulomatous inflammation of meibomian gland; treat with warm compresses, lid hygiene, I&C if persistent.
  • 8
    Hordeolum: acute staphylococcal infection of meibomian (internal) or Zeiss (external) gland.
  • 9
    Basal cell carcinoma: most common eyelid malignancy; pearly nodule with telangiectasia; medial canthus most common.
  • 10
    Sebaceous gland carcinoma: masquerade as chronic chalazion; pagetoid spread, biopsy mandatory.
  • 11
    Congenital nasolacrimal duct obstruction: epiphora from birth, resolves spontaneously by 12 months in most; probe at 12 months if persistent.
  • 12
    Acute dacryocystitis: painful swelling over lacrimal sac; treat with systemic antibiotics, then DCR.
  • 13
    External DCR vs endonasal DCR: external has slightly higher success but visible scar.
  • 14
    Thyroid eye disease: upper lid retraction, lid lag (von Graefe), proptosis, EOM restriction (IR, MR most affected); IOSS or Hertel measurement.
  • 15
    Blowout fracture: inferior rectus entrapment causes diplopia; oculocardiac reflex needs urgent surgery in white-eyed blowout.

Related oculoplastics glossary terms

Exam-ready definitions filtered by subspecialty.

Browse full 316-term glossary
Blepharitis
Chronic inflammation of the lid margins (anterior/staphylococcal or posterior/meibomian gland dysfunction).
Chalazion
Chronic lipogranulomatous inflammation of a meibomian gland presenting as a painless lid nodule.
Dacryocystitis
Inflammation/infection of the lacrimal sac, usually due to nasolacrimal duct obstruction.
Dalrymple Sign
Upper lid retraction at primary gaze; a classical sign of thyroid eye disease.
Ectropion
Outward turning of the eyelid margin causing exposure and epiphora.
Entropion
Inward turning of the eyelid margin causing the lashes to abrade the cornea.
Epiphora
Overflow tearing onto the cheek, due to lacrimal hypersecretion or, more commonly, drainage obstruction.
Exophthalmos / Proptosis
Forward displacement of the globe; most commonly due to thyroid eye disease in adults.
Hordeolum (Stye)
Acute suppurative infection of an eyelid gland; external (Zeis/Moll) or internal (meibomian).
Ptosis
Drooping of the upper eyelid; classified as aponeurotic, myogenic, neurogenic, or mechanical.
Trichiasis
Misdirected eyelashes that rub the cornea, producing irritation and abrasion; treated by epilation, electrolysis, or cryotherapy.
Von Graefe Sign
Upper lid lag on downgaze; classic sign of thyroid eye disease.
Xanthelasma
Yellow lipid plaques of the eyelids; may indicate dyslipidaemia and warrants lipid screening.
Fibrous Dysplasia
Benign bone disorder that may involve orbital bones producing proptosis and compressive optic neuropathy.

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Suggested study sequence

Six phases used by recent passers. Spread across 4–8 weeks per subspecialty.

  1. 1

    1. Lid anatomy and physiology

    Layers, retractors, blood supply, innervation.

  2. 2

    2. Lid malpositions

    Ptosis, entropion, ectropion, lagophthalmos with surgical algorithms.

  3. 3

    3. Lid lesions and tumours

    Benign vs malignant pattern recognition, biopsy and Mohs.

  4. 4

    4. Lacrimal disease

    Drainage anatomy, dacryocystitis, DCR techniques.

  5. 5

    5. Orbital disease

    Thyroid eye disease, idiopathic orbital inflammation, cellulitis, tumours.

  6. 6

    6. Trauma and reconstruction

    Lid laceration, blowout fracture, anophthalmic socket management.

Free oculoplastics sample MCQs

A taste of the exam-style stems from the full bank.

Q1.Most common cause of unilateral proptosis in adults:
A. Orbital tumour
B. Thyroid eye disease
C. Orbital cellulitis
D. Trauma
E. Mucocele

Explanation: Thyroid eye disease (Graves') is the most common cause of unilateral and bilateral proptosis in adults.

Q2.In thyroid eye disease the most commonly enlarged extraocular muscle is:
A. Lateral rectus
B. Inferior rectus and medial rectus (sparing tendons)
C. Superior oblique
D. Levator
E. Inferior oblique

Explanation: TED most often enlarges inferior and medial recti (mnemonic "I'M SLOw"). The tendinous insertions are characteristically spared.

Q3.Most common cause of acquired blepharoptosis in adults:
A. Levator dehiscence (aponeurotic)
B. Third nerve palsy
C. Horner syndrome
D. Myasthenia gravis
E. Congenital myogenic ptosis

Explanation: Involutional aponeurotic ptosis (disinsertion or thinning of the levator aponeurosis) is the most common cause of acquired adult ptosis.

Oculoplastics FAQ

Answers to the questions residents ask most about this topic.

When to operate on congenital ptosis?
If amblyogenic (covering visual axis or causing astigmatism), operate early. Otherwise, school age before social impact.
Best procedure for severe ptosis with poor levator function?
Frontalis sling using autologous fascia lata, silicone or expanded PTFE.
When is DCR indicated?
Symptomatic nasolacrimal duct obstruction confirmed by syringing; chronic dacryocystitis.
How to manage active thyroid eye disease?
Smoking cessation, lubrication, selenium, IV pulse methylprednisolone for moderate-severe active disease; teprotumumab where available; surgery in inactive phase.
Recommended oculoplastics book?
Nesi Smith Oculoplastic Surgery; Stewart Atlas of Aesthetic Eyelid and Periocular Surgery; our handwritten Eyelids Notes for revision.

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