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Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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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...
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Ophthalmic drug delivery faces major limitations due to poor absorption across the corneal membrane. This process is primarily driven by diffusion and is influenced by two main factors: the physicochemical properties of the drug and tear drainage. Most ophthalmic drugs, such as pilocarpine, epinephrine, atropine, and local anesthetics, are weak bases. They are typically formulated at an acidic pH to enhance chemical stability. However, this leads to high ionization, reducing their ability to...
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Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...

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Related Experiment Video

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Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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Ophthalmology in equine ambulatory practice.

Ann E Dwyer1

  • 1Genesee Valley Equine Clinic, PLLC, 925 Chili Scottsville Road, Scottsville, NY 14546, USA. adwyer@rochester.rr.com

The Veterinary Clinics of North America. Equine Practice
|May 30, 2012
PubMed
Summary

Equine eye exams require specialized skills and field preparation for accurate diagnosis and treatment. Practitioners should recognize when to refer cases and advise owners on managing equine vision loss.

Area of Science:

  • Veterinary Ophthalmology
  • Equine Medicine

Background:

  • Equine practitioners routinely examine horse eyes for various conditions, from normal anatomy to sight-threatening issues.
  • Effective equine eye assessment necessitates proper field setup, patient restraint, sedation, and anesthesia.

Purpose of the Study:

  • To outline essential skills and considerations for equine eye examinations.
  • To emphasize the importance of diagnostic techniques, surgical proficiency, and client communication in equine ophthalmology.

Main Methods:

  • Review of common equine ocular conditions and diagnostic procedures.
  • Discussion of necessary practical skills including ocular surface staining, cytology, and standing surgery.
  • Highlighting the role of digital photography in client education and case management.

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Main Results:

  • Accurate diagnosis and treatment depend on skilled examination techniques and appropriate diagnostic tools.
  • Referral to specialty centers is crucial for complex medical or surgical equine eye cases.
  • Client education on managing blindness in horses is an important aspect of practice.

Conclusions:

  • Comprehensive equine eye care requires a combination of field assessment skills, diagnostic proficiency, surgical competence, and knowledge of referral options.
  • Practitioners play a key role in diagnosing, treating, and managing equine ocular conditions, including blindness.