What's the difference between perceive and photopsia?
Perceive
Definition:
(v. t.) To obtain knowledge of through the senses; to receive impressions from by means of the bodily organs; to take cognizance of the existence, character, or identity of, by means of the senses; to see, hear, or feel; as, to perceive a distant ship; to perceive a discord.
(v. t.) To take intellectual cognizance of; to apprehend by the mind; to be convinced of by direct intuition; to note; to remark; to discern; to see; to understand.
(v. t.) To be affected of influented by.
Example Sentences:
(1) All subjects completed the Coping Strategies Questionnaire, which measures the use and perceived effectiveness of a variety of cognitive and behavioral coping strategies in controlling and decreasing pain.
(2) Consensual but rationally weak criteria devised to extract inferences of causality from such results confirm the generic inadequacy of epidemiology in this area, and are unable to provide definitive scientific support to the perceived mandate for public health action.
(3) Today’s figures tell us little about the timing of the first increase in interest rates, which will depend on bigger picture news on domestic growth, pay trends and perceived downside risks in the global economy,” he said.
(4) In some experiments heart rate and minute ventilation (central vactors) appear to be the dominant cues for rated perceived exertion, while in others, local factors such as blood lactate concentration and muscular discomfort seem to be the prominent cues.
(5) Perceived quality of life interviews with the clients were also conducted at both times.
(6) The glomerular capillary is part of the arterial system and is better perceived as a "hemiarteriole."
(7) Relative to the perceived severity of their asthma, both Maoris and Pacific Islanders lost more time from work or school and used hospital services more than European asthmatics using A & E. The increased use of A & E by Maori and Pacific Island asthmatics seemed not attributable to the intrinsic severity of their asthma and was better explained by ethnic, socioeconomic and sociocultural factors.
(8) Most survivors reported a range of problems that they attributed to having had cancer: 35%, proven or perceived infertility; 24%, sexual problems; 31%, health and life insurance problems; 26%, a negative socioeconomic effect; and 51%, conditioned nausea, associated with visual or olfactory reminders of chemotherapy.
(9) and (4) Compared to the instruction provided by instructors from other medical and academic disciplines, do paediatric residents perceive differences in the teaching efficacy and clinical relevance of instruction provided by paediatricians?
(10) Following each stimulus, the subject had to press a button for RT and then report the digit perceived.
(11) Discussion deals with the plurality, specificity, variability, perceived necessity, sufficiency, international utility and career significance of British postgraduate qualifications.
(12) All variables except perceived personal risk were found to be significantly related to the intention to provide medical care although knowledge showed the weakest relationship (Odds Ratio = 2.14).
(13) The policy was effective in reducing perceived environmental tobacco smoke exposure in work areas where smoking was banned but not in nonwork areas where smoking was allowed in designated areas.
(14) Black males with low intentions to use condoms reported significantly more negative attitudes about the use of condoms (eg, using condoms is disgusting) and reacted with more intense anger when their partners asked about previous sexual contacts, when a partner refused sex without a condom, or when they perceived condoms as interfering with foreplay and sexual pleasure.
(15) This demonstrates a considerable range in surgeons' attitudes to day surgery despite its formal endorsement by professional bodies, and identifies what are perceived as the organizational and clinical barriers to its wider introduction.
(16) Lazarus' phenomenological theory of stress and coping provided the basis for this descriptive study of perceived threats after myocardial infarction (MI).
(17) The majority of them were able to perceive a connection between their worsened skin condition and the acute psychosocial constellation during their brief stay at home.
(18) To test the preventive behavior model, the impact of perceived barriers and benefits and health value orientations on two health care activities (smoking and exercise) was examined.
(19) Group psychotherapy is a treatment modality used to assist patients in learning how they are perceived, what interactions and communication styles are effective, and which behaviors are acceptable.
(20) Furthermore, changes between merely perceived identical parts can result in apparent depth.
Photopsia
Definition:
(n.) An affection of the eye, in which the patient perceives luminous rays, flashes, coruscations, etc. See phosphene.
Example Sentences:
(1) The subjective signs of the syndrome are floating 'moths', photopsias presenting as a 'lateral lightning', sudden appearance of a central macula (central positive scotoma).
(2) Prodromal photopsias did not closely resemble the scintillating displays of migraineurs.
(3) All seven patients had photopsia accompanying enlargement of the blind spot during their illness.
(4) Three symptoms--loss of part of the visual field (in 33% of patients), photopsia (in 20%) and blurred vision (in 20%)--emerged as the main indicators of disease.
(5) The prodromal manifestations of PCA thrombotic occlusion include photopsias, hemianopic blackouts, headache, transient episodes of numbness, episodic lightheadedness, spells of bewilderment and rarely tinnitus.
(6) Senescent posterior vitreous changes induce collapse and detachment with persistent vitreoretinal adhesions through which mechanical forces exert traction on the macula and retina, inducing photopsias.
(7) All patients had either a vitreous hemorrhage, or photopsia and floaters.
(8) Five of them had cluster headaches, which were preceded by migrainous scotamata (two patients), weakness contralateral to the pain (one), accompanied by ipsilateral photopsias (one), or by contralateral paresthesias (one).
(10) Of 201 patients whose presenting symptoms were acute entoptic phenomena or photopsia, or both, 150 patients had posterior vitreous detachment; 69 patients (46%) had retinal breaks; 18 (12%) had a vitreous hemorrhage without detectable retinal breaks; and two (1.3%) had peripheral retinal hemorrhages without retinal breaks or vitreous hemorrhage.
(11) These included cephalalgia, syncope, binocular photopsia phenomena with blurred vision, and an "electric-like" paroxysmal tingling of the hands.
(12) Two patients had protracted blind spot enlargement, photopsia, and no optic disc edema.
(13) Among the 100 subjects, 59% related a history of seeing flickering or flashing lights (photopsias) in the affected eye or eyes.
(14) ranging in age from 4--12) reported transient visual disturbances such as blurred vision, grey vision or photopsias immediately after a light head trauma.
(15) Both had fundus and fluorescein angiographic findings typical of multiple evanescent white dot syndrome that resolved within several weeks, leaving a persistent enlarged blind spot and photopsia.
(16) In four of the seven patients, POHS-like scars developed only in the eye that was symptomatic with blind spot enlargement and photopsia.