Corneal Fundamentals and Infectious Keratitis
- Previous year questions on Corneal Fundamentals and Infectious Keratitis for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Ophthalmology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 87 live questions in Corneal Fundamentals and Infectious Keratitis.
- 1 of 87 questions carries a verified exam year: 2018.
- Ophthalmology is worth about 10 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 5 Sept 2026.
Q1.Organism invading intact corneal membrane is
- AStaphylococcus
- BStreptococcus
- CGonococcus✓ Correct answer
- DPneumococcus
Q2.Cornea derives its nutrition chiefly from:
- AAqueous humour✓ Correct answer
- BMucous layer
- CCorneal vessels
- DPerilimbal vessels
Q3.which layer of cornea helps in maintaining hydration OF stroma of cornea
- ADescemet membrane
- BEndothelium✓ Correct answer
- CEpithelium
- Dstroma
Q4.Universal marker of limbal epithelial stem cells:
- AElastin
- BKeratin
- CCollagen
- DABCG2✓ Correct answer
Q5.A 33 years old male came with pain and watering in the right eye for 36 hours. On examination, a 3 x 2 mm corneal ulcer is seen with elevated margins, feathery hyphae, finger like projections and minimal hypopyon in cornea. What is the likely causative organism?
- AAspergillosis✓ Correct answer
- BPseudomonas
- CAcanthamoeba
- DHSV-1
Q6.A 33 year old man presents to AIIMS ophthalmology OPD with pain and watering of eyes. On examination there was a 3X2 mm greyish white corneal ulcer with indistinct elevated margins. The lesion is surrounded by feathery finger like infiltration into the adjacent corneal stroma. Minimal hypopyon is also observed. Based on the information provided the microbiological investigation should be directed against
- AAspergillus spp.✓ Correct answer
- BPseudomonas spp.
- CHerpes simplex virus
- DAcanthamoeba spp
Q7.The nerve which is most frequently involved in herpes zoster ophthalmicus is:
- AFrontal nerve✓ Correct answer
- BNasociliary nerve
- CLacrimal nerve
- DFacial nerve
Q8.Drug of choice for Nummular keratitis
- AAcyclovir 3% ointment
- BTopical Steroids✓ Correct answer
- CIntravenous antivirals
- DKeratoplasty
Q9.Which organism does not invade intact cornea?
- APseudomonas✓ Correct answer
- BN. meningitidis
- CN. gonorrhoea
- DC. diphtheriae
Q10.Steroids are contraindicated in
- APhlyctenular conjunctivitis
- BGranular conjunctivitis
- CMooren's ulcer
- DDendritic ulcer✓ Correct answer
Answer key
Q1: C. Gonococcus; Q2: A. Aqueous humour; Q3: B. Endothelium; Q4: D. ABCG2; Q5: A. Aspergillosis; Q6: A. Aspergillus spp; Q7: A. Frontal nerve; Q8: B. Topical Steroids; Q9: A. Pseudomonas; Q10: D. Dendritic ulcer.
Other topics in Ophthalmology
- Ocular Anatomy and Development
- Basic Optics and the Physiology of Vision
- Spherical Errors: Myopia and Hypermetropia
- Astigmatism and Accommodation Disorders
- Conjunctiva
- Sclera
- Non-infectious Corneal Disease
- Retinal Vascular Disease and Retinal Detachment
- Macular Disease, Retinal Dystrophies and Vitreous Disorders
- Lens: Cataract Types and Clinical Features
- Lens: Cataract Surgery, Complications and IOLs
- Glaucoma
- Uveitis: Anterior and Intermediate
- Uveitis: Posterior and Panuveitis
- Eyelid Disorders
- Lacrimal Apparatus and Ocular Glands
- Orbital Anatomy and Ocular Trauma
- Orbital Disease
- Strabismus: Symptomatology and Evaluation
- Strabismus: Types and Management
- Visual Pathway Lesions and Pupillary Reflexes
- Optic Nerve Disease and Gaze Palsies
- Ocular Tumours
- Clinical Methods in Ophthalmology
- Ocular Manifestations of Systemic Disease
- Community Eye Health and Blindness Control
- Ophthalmic Instruments and Their Uses