| D010809 |
Physical Fitness |
The ability to carry out daily tasks and perform physical activities in a highly functional state, often as a result of physical conditioning. |
Fitness, Physical |
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| D003315 |
Cornea |
The transparent anterior portion of the fibrous coat of the eye consisting of five layers: stratified squamous CORNEAL EPITHELIUM; BOWMAN MEMBRANE; CORNEAL STROMA; DESCEMET MEMBRANE; and mesenchymal CORNEAL ENDOTHELIUM. It serves as the first refracting medium of the eye. It is structurally continuous with the SCLERA, avascular, receiving its nourishment by permeation through spaces between the lamellae, and is innervated by the ophthalmic division of the TRIGEMINAL NERVE via the ciliary nerves and those of the surrounding conjunctiva which together form plexuses. (Cline et al., Dictionary of Visual Science, 4th ed) |
Corneas |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D001359 |
Aviation |
Design, development, manufacture, and operation of heavier-than-air AIRCRAFT. |
Parachuting,Air Traffic Control,Control, Air Traffic,Traffic Control, Air |
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| D014792 |
Visual Acuity |
Clarity or sharpness of OCULAR VISION or the ability of the eye to see fine details. Visual acuity depends on the functions of RETINA, neuronal transmission, and the interpretative ability of the brain. Normal visual acuity is expressed as 20/20 indicating that one can see at 20 feet what should normally be seen at that distance. Visual acuity can also be influenced by brightness, color, and contrast. |
Acuities, Visual,Acuity, Visual,Visual Acuities |
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| D054140 |
Refractive Surgical Procedures |
Surgical procedures employed to correct REFRACTIVE ERRORS such as MYOPIA; HYPEROPIA; or ASTIGMATISM. These may involve altering the curvature of the CORNEA; removal or replacement of the CRYSTALLINE LENS; or modification of the SCLERA to change the axial length of the eye. |
Keratorefractive Surgical Procedures,Refractive Surgery,Keratorefractive Surgical Procedure,Procedure, Keratorefractive Surgical,Procedure, Refractive Surgical,Procedures, Keratorefractive Surgical,Procedures, Refractive Surgical,Refractive Surgeries,Refractive Surgical Procedure,Surgeries, Refractive,Surgery, Refractive,Surgical Procedure, Keratorefractive,Surgical Procedure, Refractive,Surgical Procedures, Keratorefractive,Surgical Procedures, Refractive |
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