Related Experiment Video

Updated: Aug 19, 2026

Corneal Epithelial Abrasion with Ocular Burr As a Model for Cornea Wound Healing
07:28

Corneal Epithelial Abrasion with Ocular Burr As a Model for Cornea Wound Healing

Published on: July 10, 2018

Topical anesthetic abuse: a case report of bilateral corneal ring infiltrates

C J Rapuano

    Journal of Ophthalmic Nursing & Technology
    |May 1, 1990
    PubMed

    More Related Videos

    Corneal Sensitivity Testing Procedure for Ophthalmologic and Optometric Patients04:00

    Corneal Sensitivity Testing Procedure for Ophthalmologic and Optometric Patients

    Published on: August 2, 2024

    Intracameral Injection in Rats with Low Risk of Adverse Effects06:19

    Intracameral Injection in Rats with Low Risk of Adverse Effects

    Published on: May 31, 2024

    Related Concept Videos

    Angle Closure Glaucoma: Treatment01:28

    Angle Closure Glaucoma: Treatment

    Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
    Local Anesthetics: Common Agents and Their Applications01:23

    Local Anesthetics: Common Agents and Their Applications

    Local anesthetics (LAs) are commonly used for various applications in medical and dental procedures. Some of the common agents used are cocaine, lidocaine, and bupivacaine.
    Cocaine is an ester of benzoic acid and methylecgogine. It is used to anesthetize and vasoconstrict locally. Currently, it is used primarily for topical applications. It is beneficial for surgeries on the upper respiratory tract, providing anesthesia and shrinking the mucosa. Cocaine in the form of cocaine hydrochloride is...
    Local Anesthetics: Adverse Effects01:12

    Local Anesthetics: Adverse Effects

    While local anesthetics are generally safe and well-tolerated, they can occasionally cause adverse effects that vary in severity. Local anesthetics can induce toxicity at two distinct levels. They can either produce local effects through direct contact with the neural elements or be absorbed into the bloodstream from the injection site, leading to systemic effects.
    Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...
    Local Anesthetics: Clinical Application as Surface, Infiltration, and Conduction Block Anesthesia01:30

    Local Anesthetics: Clinical Application as Surface, Infiltration, and Conduction Block Anesthesia

    Depending on the target organ, local anesthetics (LAs) can be administered via various routes. In surface anesthesia, LAs are applied directly to the surface of the skin or mucous membranes. It is widely used for topical skin numbing before venipuncture or minor surgical procedures. Commonly used surface local anesthetics are lidocaine or benzocaine sprays or creams. Surface anesthesia occurs within 5 minutes and lasts for about 60 minutes. One of the main disadvantages of topical anesthesia is...
    Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

    Local Anesthetics: Clinical Application as Epidural Anesthesia

    Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
    Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
    Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

    Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

    Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
    One of the advantages of...