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DSSSB Previous Year MCQs: Ocular Pharmacology Watch the video lesson below and test your knowledge! Attempted0/5 Correct0 Wrong0 Accuracy0% Q-1: Prophylactic YAG peripheral iridotomy is being done at your clinic. Which drug will you instill in the patient's eye before the procedure? (2019) (DSSSB Optometrist Previous MCQs) a. Tropicamide b. Homatropine c. Pilocarpine d. Phenylephrine Answer: c. PilocarpinePrior to performing an Nd:YAG laser peripheral iridotomy, pilocarpine is instilled to induce miosis, causing the pupil to tightly constrict. This action stretches the iris crypts and mechanically thins the peripheral iris, making it easier to penetrate with the laser while minimizing the risk of iris bunching. Q-2: Which of the following is a systemic anti-muscarinic agent? (2024) (DSSSB Optometrist Previous MCQs) a. Carboxymethylcellulose b. Glycerine c. Flurbiprofen d. Atropine Answer: d. AtropineAtropine is a highly potent anti-muscarinic agent that competitively blocks acetylcholine at postganglionic parasympathetic receptor sites. While frequently used as a topical cycloplegic in ophthalmology, it can also act systemically to treat conditions like bradycardia or organophosphate poisoning. Q-3: Nanotechnology-based approaches in ocular drug delivery aim to achieve all of the following, EXCEPT: (2024) (DSSSB Optometrist Previous MCQs) a. Better ocular absorption b. Uncontrolled release of the drug c. Enhanced drug action d. Advanced penetration through ocular barriers Answer: b. Uncontrolled release of the drugNanotechnology is specifically engineered to improve ocular absorption and allow for sustained, highly controlled, and targeted drug delivery. Uncontrolled or rapid release of a medication is the exact opposite of what these advanced delivery systems are designed to do. Q-4: To increase the absorption of topical drug, which of the following methods is NOT used? (2019) (DSSSB Optometrist Previous MCQs) a. Add surfactants b. Close eyelids after instillation of drugs c. Decrease the frequency of instillation d. Punctal compression Answer: c. Decrease the frequency of instillationDecreasing the frequency of eye drop instillation limits the total amount of medication delivered to the ocular surface, thereby reducing overall absorption. Methods like punctal compression, eyelid closure, and formulating drops with surfactants are specifically designed to prolong tissue contact time and enhance drug bioavailability. Q-5: The drug delivery system includes: (2019) (DSSSB Optometrist Previous MCQs) a. Bandage contact lens b. Spectacles c. IOL d. Prisms Answer: a. Bandage contact lensBandage contact lenses can function as an effective ocular drug delivery system by absorbing topical ophthalmic medications and slowly releasing them onto the cornea. Devices like spectacles, intraocular lenses, and prisms serve purely optical or structural purposes and do not deliver pharmacological agents. Want to test your knowledge further? Our complete course features hundreds of in-depth MCQs covering critical optometry topics such as: Antifungal drug selection (Fluconazole) for vegetative matter corneal trauma Mechanism of action of antiviral nucleoside analogues like Idoxuridine Clinical indications for Acyclovir in Herpes simplex virus keratitis Receptor specificity and intraocular pressure lowering mechanism of Timolol Duration of cycloplegia and mydriasis induced by Atropine 1% ointment Essential physical properties of ocular viscoelastic devices during surgery Risks of pupil dilation in patients with narrow anterior chamber angles Surgical complications associated with inadequate ocular anesthesia Understanding various routes of administration for ophthalmic anesthesia Primary anatomical routes (cornea) for topical ocular solute penetration Unlock Complete Subject-Wise MCQs for DSSSB & Gov Exams To get access to all the subject-wise MCQs and ace your exams, enroll in our "Gov Job Preparation" course today! 🎯 DSSSB all updates & notifications 🎯 All gov exams previous MCQs 🎯 Subject-wise premium theory notes 🎯 Subject-wise extensive MCQs 🎯 Subject-wise Mock Tests simulating real exams 🎯 Fundamental Optometry Video Lectures Enroll Now Check Course Overview 0/5 0%

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