Explore Anatomy of Eyeball Part 05 with detailed Ophthalmology and Optometry MCQs on newborn and infant eye development, including eyeball diameter, corneal size, anterior chamber depth, macular maturation, optic nerve myelination, orbital angles, and normal IOP. Ideal for NEET PG, AIIMS, and university ophthalmology revision, AIIMS ophthalmology mcq questions these high-yield questions simplify key developmental milestones of the eye. visit our Index Page to find topic wise ophthalmology mcq
161. AP diameter of newborn eye:
A. 16.5 mm
B. 18 mm
C. 20 mm
D. 22 mm
View Answer
A. 16.5 mm ✅ Exp: Smaller than adult.
162. Corneal diameter at birth:
A. 10 mm
B. 11.5 mm
C. 12 mm
D. 13 mm
View Answer
A. 10 mm ✅ Exp: Reaches adult size by 2 yrs.
163. Lens at birth is:
A. Flattened
B. Spherical
C. Biconvex adult-like
D. Cylindrical
View Answer
B. Spherical ✅ Exp: Infant lens spherical.
164. Anterior chamber in newborn:
A. Shallow
B. Deep
C. Normal
D. Absent
View Answer
A. Shallow ✅ Exp: AC shallow at birth.
165. Refractive status of newborn:
A. Myopia
B. Hypermetropia (+2–3D)
C. Astigmatism
D. Emmetropia
View Answer
B. Hypermetropia (+2–3D) ✅ Exp: Most newborns are hypermetropic.
166. Macula matures by:
A. Birth
B. 4–6 months
C. 1 year
D. 2 years
View Answer
B. 4–6 months ✅ Exp: Macula differentiation after birth.
167. Myelination of optic nerve ends at:
A. Lamina cribrosa
B. Fovea
C. Macula
D. Retina
View Answer
A. Lamina cribrosa ✅ Exp: Stops at lamina cribrosa.
168. Tears appear after:
A. Birth
B. 2–3 months
C. 6 months
D. 1 year
View Answer
B. 2–3 months ✅ Exp: Lacrimal gland matures by 2–3 months.
169. Newborn pupils are:
A. Normal size
B. Small & sluggish
C. Large
D. Fixed
View Answer
B. Small & sluggish ✅ Exp: Pupils are small and poorly reactive.
170. Newborn optic disc appears:
A. Large
B. Small & greyish
C. Hyperemic
D. Atrophic
View Answer
B. Small & greyish ✅ Exp: Disc looks greyish at birth.
171. Adult AP diameter is reached by:
A. 1 yr
B. 2 yrs
C. 5 yrs
D. 10 yrs
View Answer
B. 2 yrs ✅ Exp: Eyeball grows to adult size by ~2 yrs.
172. Corneal adult size attained by:
A. 6 months
B. 2 yrs
C. 5 yrs
D. 10 yrs
View Answer
B. 2 yrs ✅ Exp: Cornea reaches 11.7 mm by 2 yrs.
173. Lacrimal gland fully functional by:
A. Birth
B. 3 months
C. 6 months
D. 1 yr
View Answer
B. 3 months ✅ Exp: Tear secretion after 3 months.
174. Infantile nucleus forms at:
A. Birth
B. 1 yr
C. 2 yrs
D. 5 yrs
View Answer
A. Birth ✅ Exp: Lens nucleus appears at birth.
175. Retinal vascularization completes by:
A. Birth
B. 3 months
C. 4 months
D. 6 months
View Answer
C. 4 months ✅ Exp: Fully vascularized by 4 months postnatal.
176. Optic nerve myelination is absent:
A. Anterior to lamina cribrosa
B. Posterior to lamina cribrosa
C. In chiasma
D. In LGN
View Answer
A. Anterior to lamina cribrosa ✅ Exp: Stops at lamina cribrosa.
177. Angle of orbits in newborns:
A. 45–50°
B. 30°
C. 60°
D. 75°
View Answer
A. 45–50° ✅ Exp: More divergent than adults.
178. Adult orbital angle:
A. 30°
B. 40°
C. 50°
D. 60°
View Answer
A. 30° ✅ Exp: Decreases with growth.
179. At birth, eyelids are:
A. Open
B. Closed & fused until 5th–7th month intrauterine
C. Large
D. Small
View Answer
B. Closed & fused until 5th–7th month intrauterine ✅ Exp: Eyelids fuse until 7th month IU.
180. Normal IOP in newborn:
A. 5–10 mmHg
B. 12–20 mmHg
C. 20–25 mmHg
D. 25–30 mmHg
View Answer
A. 5–10 mmHg ✅ Exp: Lower than adults.
Understanding the developmental anatomy of the eyeball is crucial for mastering ophthalmology. From the AP diameter and corneal growth to optic nerve myelination and orbital changes, every development reflects how visual function matures after birth. AIIMS ophthalmology mcq questions These very important MCQs help build your foundation for NEET PG, AIIMS, and Optometry exams, ensuring strong conceptual clarity and quick recall.
Continue your learning journey with our complete Ophthalmology MCQ Series covering eyeball anatomy, orbit, extraocular muscles, vascular and nerve supply, and developmental stages all designed for smart revision and clinical insight.
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