What's the difference between cataract and glaucoma?
Cataract
Definition:
(n.) A great fall of water over a precipice; a large waterfall.
(n.) An opacity of the crystalline lens, or of its capsule, which prevents the passage of the rays of light and impairs or destroys the sight.
(n.) A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot.
Example Sentences:
(1) Instead of later renal failure and, of course, mental retardation, it was the histological features of the fetus eyes which permit to diagnose and exhibit both congenital cataract and irido-corneal angle dysgenesis.
(2) Hyperopia was more common in younger persons, but senile cataract, macular degeneration and palpebral dermatochalasis or blepharochalasis were more common in older persons.
(3) Two patients developed cataract following tetracycline therapy.
(4) Eighteen cases (28 eyes) with congenital cataracts are analyzed.
(5) The evidence linking increased sorbitol pathway activity to diabetic complications, such as cataract and neuropathy in animal models, suggests that aldose reductase inhibitors will be useful therapeutic agents in human diabetics.
(6) This study of 47 patients from 11 families with neurofibromatosis type 2 (NF 2) confirms our previously reported association between posterior capsular cataract and NF 2.
(7) We examined 84 eyes with different lens opacities, the visual acuity was analysed in relation to the axial, cortical and capsular cataract.
(8) The most important ocular side effect of the systemic adiministration of corticosteroids is the formation of a posterior subcapsular cataract.
(9) About 7% of all Saudi Arabians, and 42% of those older than 40 years, have a cataract or its sequelae.
(10) A 60-year-old man developed periodic alternating nystagmus in association with decreased vision due to cataracts.
(11) We describe our technique of endocapsular cataract extraction and insertion of an intraocular lens and prospectively compare 93 eyes which underwent endocapsular cataract extraction with 83 which underwent a standard extracapsular procedure.
(12) I believe that 80% of all cataract surgery within the next 10 years will be performed with extracapsular extraction and lens implantation.
(13) The eye was subsequently enucleated and histopathology confirmed the diagnosis of retinoblastoma associated with anterior polar cataract.
(14) One hundred twenty-five patients were entered into a prospective investigation designed to assess the effect of intraoperative surface modification of PMMA, by coating with a 2% hydroxypropyl methylcellulose solution, on the incidence of fibrinous uveitis after extracapsular cataract surgery and lens implantation.
(15) Knowledge of the incidence of both short- and long-term elevation of intraocular pressure (IOP) after extracapsular cataract extraction (ECCE) and posterior chamber intraocular lens (PC-IOL) insertion is essential for the practicing ophthalmologist.
(16) The shortest latent period of cataract development was three years and the youngest subject was only 22 years old.
(17) Severe iritis which occurs within the first five days after cataract extraction may be categorized as (1) bacterial endophthalmitis, (2) toxic iritis, or (3) aseptic iritis.
(18) Cataracts accounted for 22% of bilateral and 6% of monocular blindness.
(19) After doing, over the past two years, 55 Copeland iris plane lenses combined with intracapsular cataract extraction, I find it to be a relatively simple procedure.
(20) Emory mice (EM) are genetically predisposed to late-onset cataract formation.
Glaucoma
Definition:
(n.) Dimness or abolition of sight, with a diminution of transparency, a bluish or greenish tinge of the refracting media of the eye, and a hard inelastic condition of the eyeball, with marked increase of tension within the eyeball.
Example Sentences:
(1) This study compared the non-invasive vascular profiles, coagulation tests, and rheological profiles of 46 consecutive cases of low-tension glaucoma with 69 similarly unselected cases of high-tension glaucoma and 47 age-matched controls.
(2) Angle closure glaucoma is a well-known complication of scleral buckling and it is of particular interest when it occurs in eyes with previously normal angles.
(3) The mean preoperative intraocular pressure (IOP) of 43.9 mmHg in the eyes with neovascular glaucoma was reduced to 17.4 mmHg after a mean follow-up of 20.2 months.
(4) Only two aviators were permanently removed from flying duties due to glaucoma.
(5) Two homosexual men, 35 and 42 years old, had bilateral acute angle-closure glaucoma in association with the acquired immune deficiency syndrome.
(6) Eight patients had glaucoma only in one eye; three narrow-angle glaucoma, three primary open-angle glaucoma and two secondary glaucoma.
(7) A 40 year old female presented with secondary glaucoma and loss of vision due to anterior pole metastasis of breast carcinoma.
(8) This procedure, designated "pretrabecular filtration", has been a standard primary procedure in all types of glaucoma in our hospital for the last 3 years.
(9) Fibronectin level in the ocular drainage system of humans grows with ageing and rapidly increases at different stages of primary open-angle glaucoma development.
(10) Three patients had low-tension glaucoma and four had typical primary open-angle glaucoma.
(11) There was no evidence of glaucoma in any of the patients although two patients exhibited keratoconus and another one manifested moderate to high astigmatism.
(12) We propose a new classification of glaucomatous hemodynamics and the clinical application of hemodynamic parameters in glaucoma diagnosis.
(13) A study was made of twelve cases with uveitis, glaucoma and hyphema (UGH) caused by rigid intraocular posterior chamber implants.
(14) A prospective study was performed by 30 ophthalmologists to determine the prevalence of exfoliation syndrome (ES) in different areas of France and its relationship with glaucoma.
(15) The Ocusert-pilocarpine devides with seven days' therapeutic duration were compared with pilocarpine eye drops for efficacy and ocular tolerance in the management of glaucoma in 16 patients.
(16) Topographical analysis on the basis of these areas may be useful for the evaluation of visual fields, particularly those of glaucoma.
(17) In patients with a high starting baseline pressure of previous maladjustable glaucoma it was necessary to start combined treatment.
(18) In another 4 subjects anti-glaucoma treatment was felt to be indicated.
(19) Twenty-one eyes with primary open angle glaucoma and four with chronic angle closure glaucoma were randomly assigned to receive four to six subconjunctival injections of fluorouracil for 10 days after surgery.
(20) Our results indicate that the size and sensitivity of the oscillatory potential response may have a role in the diagnosis and management of early glaucoma and optic nerve disease, and that the photopic electroretinogram may give similar information.