| D008875 |
Middle Aged |
An adult aged 45 - 64 years. |
Middle Age |
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| D009885 |
Ophthalmology |
A surgical specialty concerned with the structure and function of the eye and the medical and surgical treatment of its defects and diseases. |
Ocular Surgery,Ocular Surgeries,Surgery, Ocular |
|
| D011412 |
Propanolamines |
AMINO ALCOHOLS containing the propanolamine (NH2CH2CHOHCH2) group and its derivatives. |
Aminopropanols |
|
| D011897 |
Random Allocation |
A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects. |
Randomization,Allocation, Random |
|
| D002621 |
Chemistry |
A basic science concerned with the composition, structure, and properties of matter; and the reactions that occur between substances and the associated energy exchange. |
|
|
| 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 |
|
| D004305 |
Dose-Response Relationship, Drug |
The relationship between the dose of an administered drug and the response of the organism to the drug. |
Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response |
|
| D004311 |
Double-Blind Method |
A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. |
Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
|
| D000328 |
Adult |
A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. |
Adults |
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