New Quiz 23 Oct Welcome to your Optometry & Orthoptics Name Email 1. [Deposition of iron from tears pooling at the junction of lid closure, commonly seen in elderly is known as:] Hudson- Stahli line Stokers line Ferry line Krukenberg line None . 2. [The color change in a plastic photochromic lenses are due to the presence of a chemical molecular group called:] Silver halide crystals Indolinospironapthoxazine Oxide materials Magnesium fluoride None . 3. [For a distance correction of +3.00 DS and a PD of 66/62, the prismatic effect at the near PD, caused by the distance power is:] 0.6 Pd, BO 0.4 Pd, BI 0.3 Pd, BD 0.3 Pd, BI None . 4. [A 25 year old lady presents with severe sudden onset of pain, corneal congestion, photophobia and deep anterior chamber in the right eye. The left eye is normal. X-ray pelvis shows sacroilitis. The diagnosis is:] Anterior uveitis Posterior uveitis Intermediate uveitis Scleritis None . 5. [Retinal detachment seen in:] Myopia Hypermetropia Eale’s disease Cataract extraction Nd:YAG photocoagulation A,C and D None . 6. [Lens contain which antigen?] Sequestered antigens Cross antigens Heterophile antigens Isoantigens None . 7. [All of the following may be associated with nightblindness except:] Pathological myopia Retinitis pigmentosa Retinitis punctata albescens Retinitis proliferans None . 8. [Retinoblastoma is bilateral in:] 1% of cases 50% of cases 100% of cases 30% of cases None . 9. [Intractable secondary glaucoma is seen in:] Diffuse iris melanoma Nodular iris melanoma Melanocytic deposits in anterior part of iris Melanocyte proliferation in posterior oveal tissue. None . 10. [Aging process accelerated by uncontrolled or nonpreventable diseases/disorders is called as:] Normal aging Primary aging Secondary aging Physiological aging None . 11. [Most common site of congenital blockage in the nasolacrimal duct is:] At the upper end In the middle At the lower end Whole of the duct None . 12. [Astigmatism is considered to be:] Spherical abberation Curvatural ametropia Axial ametropia Index ametropia None . 13. [Dangerous area of eye:] Ciliary body Optic nerve Sclera Choroid None . 14. [As the Abbe number for a given material increases, the chromatic aberration:] Decreases Increases Remains the same Varies with material None . 15. [Yoke muscles involved in right-up gaze are:] RSR and LIO RSR and LSR RIO and LSR RIO and LIO None . 16. [What is the mathematical formula to calculate visual acuity required based on the detail of the object size at job?] Tan visual angle = Size of critical detail/working distance Using graphical method Cos visual angle = Size of critical detail/working distance 31278/ maximum height of the object of regard None . 17. [Arden index is related to:] ERG (Electroretinogram) EOG (Electroculogram) VER (Visual evoked response) Perimetry None . 18. [Earliest symptom in corneal ulcer is:] Loss of sensation Diminished vision Photophobia Pain None . 19. [Most common site for the lodgement of intraocular foreign body is:] Vitreous Posterior chamber Lens Anterior chamber None . 20. [Adult size of the cornea is attained by the age of:] 2 years 3 years 5 years 9 years None . 21. [In buphthalmos, lens is:] Anteroposterior flat Small Large None of the above None . 22. [Glaukomflecken is a feature of:] Acute narrow-angle glaucoma Pseudoexfoliative glaucoma Juvenile glaucoma Phacolytic glaucoma None . 23. [The commonest malignant tumour of the lids is:] Basal-cell carcinoma Squamous cell carcinoma Adenocarcinoma Melanocarcinoma None . 24. [The most common ocular motility defect in Grave's disease is:] Elevator palsy Depressor palsy Third nerve palsy Fourth nerve palsy None . 25. [Maximum refraction takes place between:] Air tear film Tear film and cornea Cornea and aqueous Aqueous lens None . Time's up