Related Experiment Video
Updated: Mar 14, 2026

05:15
Grossing of Non-neoplastic Globes, Including Fetal Eyes
Published on: May 30, 2025
665
Eye structure: A functional view
1Nightingale and Guy's College of Nursing and British Horne and Hospital for Incurables, London.
Summary
This study examines the traditional
Area of Science:
- Ophthalmology
- Nursing Education
Background:
- Traditional nursing education often teaches eye anatomy and physiology using a rigid 'three coat' model.
- This structural approach forms the basis of existing knowledge for nurses in advanced studies.
Purpose of the Study:
- To critically evaluate the limitations of the conventional 'three coat' model for eye anatomy and physiology in nursing education.
- To explore alternative or supplementary frameworks for a more comprehensive understanding of ocular structures and functions.
Main Methods:
- Literature review of established anatomy and physiology textbooks used in nursing programs.
- Comparative analysis of the 'three coat' model against current ophthalmic research and clinical perspectives.
Main Results:
- The 'three coat' model provides a simplified, yet potentially incomplete, overview of the eye's complex structure.
- Existing nursing knowledge may not fully encompass the intricate details of ocular anatomy crucial for advanced practice.
Conclusions:
- Revisiting the teaching methodologies for eye anatomy and physiology in nursing is recommended.
- Adopting a more integrated and detailed approach could enhance nurses' understanding and clinical application of ocular knowledge.
More Related Videos
Related Concept Videos
Accessory Structures of the Eye
4.2K
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...
4.2K
Anatomy of the Eyeball
11.2K
The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle...
11.2K
Muscles of the Eye
5.2K
The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and...
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and...
5.2K
Vision
61.2K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
61.2K
Focusing of Light in the Eye
7.0K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
7.0K
Glaucoma: Overview
1.6K
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.6K

